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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
DTST Data Storage	$3.45 -0.6%	$3.69	$2.93 ▼ $6.95	$24.63M	1.24	56,838 shs	31,881 shs
LUNA Luna Innovations	$0.66 -5.6%	$0.52	$0.22 ▼ $3.85	$22.41M	1.88	221,061 shs	659 shs
SGRP SPAR Group	$1.06 -1.9%	$1.08	$1.00 ▼ $2.48	$24.86M	0.38	118,175 shs	34,896 shs
SUGP SU Group	$0.51 +9.7%	$0.73	$0.35 ▼ $3.25	$7.06M	3.57	216,349 shs	252,567 shs

12 Stocks Corporate Insiders are Abandoning

If a company's CEO, COO, and CFO were all selling shares of their stock, would you want to know? MarketBeat just compiled its list of the twelve stocks that corporate insiders are abandoning. Complete the form below to see which companies made the list.

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
DTST Data Storage	0.00%	-4.70%	-11.54%	-4.96%	-45.24%
LUNA Luna Innovations	0.00%	-12.00%	+24.53%	-5.71%	-80.81%
SGRP SPAR Group	0.00%	-1.85%	-8.62%	-22.63%	-50.93%
SUGP SU Group	0.00%	-17.91%	-49.00%	-41.65%	-78.02%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	Dividend Strength	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
DTST Data Storage	0.1614 of 5 stars	0.0	2.0	0.0	0.0	0.0	2.5	0.0
LUNA Luna Innovations	0.351 of 5 stars	0.0	3.0	0.0	0.0	1.1	1.7	0.0
SGRP SPAR Group	2.9181 of 5 stars	0.0	3.0	0.0	0.0	1.2	3.3	3.1
SUGP SU Group	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

Compare Analyst Forecasts

Company	Consensus Rating	Consensus Price Target	% Upside from Current Price
DTST Data Storage	N/A	N/A	N/A
LUNA Luna Innovations	N/A	N/A	N/A
SGRP SPAR Group	N/A	N/A	N/A
SUGP SU Group	N/A	N/A	N/A

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
DTST Data Storage	$25.37M	0.97	$0.27 per share	12.92	$3.02 per share	1.14
LUNA Luna Innovations	$116.61M	0.19	$0.22 per share	3.03	N/A	∞
SGRP SPAR Group	$196.81M	0.13	N/A	N/A	$1.04 per share	1.02
SUGP SU Group	$23.43M	0.30	$0.14 per share	3.74	$0.95 per share	0.54

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
DTST Data Storage	$520K	$0.02	172.59	∞	N/A	0.75%	0.91%	0.75%	8/13/2025 (Estimated)
LUNA Luna Innovations	$9.28M	N/A	0.00	∞	N/A	N/A	N/A	N/A	N/A
SGRP SPAR Group	-$3.15M	$0.51	2.08	8.83	N/A	-1.60%	-37.54%	-15.68%	8/12/2025 (Estimated)
SUGP SU Group	$1.37M	N/A	0.00	∞	N/A	N/A	N/A	N/A	N/A

Latest SUGP, LUNA, SGRP, and DTST Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue	Details
3/31/2025	Q4 2024	DTST Data Storage	$0.03	$0.04	+$0.01	$0.04	$6.20 million	$6.41 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
DTST Data Storage	N/A	N/A	N/A	N/A	N/A
LUNA Luna Innovations	N/A	N/A	N/A	N/A	N/A
SGRP SPAR Group	N/A	N/A	N/A	N/A	N/A
SUGP SU Group	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
DTST Data Storage	N/A	3.52	3.52
LUNA Luna Innovations	N/A	N/A	N/A
SGRP SPAR Group	0.07	1.53	1.53
SUGP SU Group	N/A	2.54	1.65

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
DTST Data Storage	11.56%
LUNA Luna Innovations	87.46%
SGRP SPAR Group	9.57%
SUGP SU Group	68.05%

Insider Ownership

Company	Insider Ownership
DTST Data Storage	42.18%
LUNA Luna Innovations	7.60%
SGRP SPAR Group	50.92%
SUGP SU Group	N/A

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
DTST Data Storage	60	7.14 million	4.13 million	Not Optionable
LUNA Luna Innovations	390	33.96 million	31.38 million	Optionable
SGRP SPAR Group	3,425	23.45 million	11.51 million	Not Optionable
SUGP SU Group	N/A	13.85 million	N/A	N/A

SUGP, LUNA, SGRP, and DTST Headlines

Recent News About These Companies

SU Group Received Nasdaq Notification Regarding Minimum Bid Price Compliance

March 27, 2025 | prnewswire.com

SU Group Secures Top Multi-Purpose Sports Venue

March 7, 2025 | prnewswire.com

SU Group Holdings Reports 11% Revenue Growth For Fiscal Year 2024

January 28, 2025 | prnewswire.com

Class A Office Building Selects SU Group to Significantly Bolster Security

January 10, 2025 | prnewswire.com

Taking A Look At SU Group Holdings Limited's (NASDAQ:SUGP) ROE

December 11, 2024 | sg.finance.yahoo.com

One of Asia's Largest Airlines to Buy SU Group's AI-Aided X-ray Screeners

November 19, 2024 | prnewswire.com

SU Group announces $4.4M contract award, largest in company history

November 14, 2024 | finance.yahoo.com

SU Group Announces US$4.4 Million Win; Represents Largest Contract in Company's History

November 12, 2024 | prnewswire.com

New SFUSD Superintendent Su visits one of the schools on closure list

October 24, 2024 | msn.com

SU Group Holdings Ltd.

October 17, 2024 | wsj.com

Sanctions have put the production of Russia's most advanced stealth fighter in jeopardy, research group says

October 10, 2024 | msn.com

SU Group Enters New Government Sponsored Market with Milestone Agreement

October 1, 2024 | prnewswire.com

Hong Kong's Labour Department Certifies SU Group Under Good Employer Charter

September 26, 2024 | prnewswire.com

SU Group and UrbanChain Agree to Jointly Develop Integrated AIoT Car Parking, Security and Access Control Solutions; SU Group Further Expands its Addressable Market

September 9, 2024 | prnewswire.com

SU Group's Shine Union Wins Prestigious Workplace Quality Award

August 12, 2024 | prnewswire.com

SU Group Awarded Material New Order at Hong Kong International Airport

July 25, 2024 | prnewswire.com

SU Group to Ring Nasdaq Closing Bell on Tuesday, July 2, 2024

July 1, 2024 | prnewswire.com

SU Group Holdings Reports First Half Fiscal Year 2024 Results

July 1, 2024 | prnewswire.com

SU Group Set to Expands Market Reach and Profit Margins with Exclusive Distribution Agreement

June 18, 2024 | prnewswire.com

SU Group to Bring Robotics and AI to Security Patrolling in Partnership with SquareDog Robotics

May 7, 2024 | prnewswire.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

SUGP, LUNA, SGRP, and DTST Company Descriptions

Data Storage NASDAQ:DTST

$3.45 -0.02 (-0.58%)

Closing price 06/18/2025 03:58 PM Eastern

Extended Trading

$3.44 -0.01 (-0.14%)

As of 06/18/2025 04:04 PM Eastern

Data Storage Corporation provides data management and cloud solutions in the United States and internationally. It offers a suite of multi-cloud IT solutions, including cyber security solutions, which comprise ezSecurity, a security solution for endpoint security, system assessments, and risk analysis, as well as IBM system protection, including Ransomware defense. The company also provides data protection and recovery solutions, such as ezVault for offsite data protection; ezRecovery for fast data recovery; ezAvailability for real-time data replication with minimal recovery objectives; and ezMirror for data mirroring at the storage level. In addition, it offers cloud hosted production systems comprising ezHost, which delivers managed cloud services; and voice and data solutions, including Nexxis, which specializes in voice over internet protocol, internet access, and data transport solutions, which comprise dedicated internet services, SD-WAN options, and a cloud-based PBX solution. The company offers its solutions and services to businesses in healthcare, banking and finance, distribution services, manufacturing, construction, education, and government industries. Data Storage Corporation was founded in 2001 and is headquartered in Melville, New York.

Luna Innovations NASDAQ:LUNA

$0.66 -0.04 (-5.55%)

As of 06/18/2025 11:41 AM Eastern

Luna Innovations Incorporated provides fiber optic test, measurement, and control products worldwide. The company offers test and measurement equipment for fiber optic components and sub-assemblies; polarization control products, including components, modules, and instruments to measure, manage, and control polarization and group delay in fiber optic networks; tunable lasers; and single frequency lasers. It also provides ODiSI sensing solution, which provides distributed strain and temperature measurements; distributed temperature sensing system; hyperion sensing products; Terahertz Sensing Systems that provide precise single and multi-layer thickness, density, basis weight, and caliper thickness measurements; and distributed acoustic sensing products. The company primarily markets its fiber optic test, measurement, and control products to telecommunications companies, defense agencies, government system integrators, researchers, original equipment manufacturers, distributors, testing labs, and strategic partners directly, as well as through manufacturer representative organizations, partner and distribution channels, technical sales engineers, value added resellers, and independent sales representatives. Luna Innovations Incorporated was incorporated in 1990 and is headquartered in Roanoke, Virginia.

SPAR Group NASDAQ:SGRP

$1.06 -0.02 (-1.85%)

Closing price 06/18/2025 04:00 PM Eastern

Extended Trading

$1.06 +0.00 (+0.47%)

As of 06/18/2025 07:57 PM Eastern

SPAR Group, Inc., together with its subsidiaries, provides merchandising and brand marketing services in the Americas, the Asia-Pacific, Europe, Middle East, and Africa. The company offers merchandising and marketing services, such as resets and cut-ins; price and inventory audits; stock replenishment and rotation services; out of stock management; promotional event setup; and display management, as well as category management and set up services comprising category and product resets; planogram maintenance; display and shelf services; and point of purchase installation and management. It also provides remodel and retail transformation consisting of store remodels, store department resets, fixture and banner installations, pop-up store services, and store closings; and assembly and installation services, including assembly of merchandise in stores, in-store services, office setup/down-sizing services, and national in-home furniture assembly services. In addition, the company offers business analytics and insights services, such as product dashboards, stock out reporting, visit reporting, real-time service insights, and share of shelf analytics; and fulfillment and distribution services comprising distribution center staffing, point of purchase fulfillment services, kiosk prep, returns processing, picking and packing services, and inventory services. The company serves mass merchandisers; HBAs; pharmacies; and grocery, discount, dollar, convenience, cash and carry, home improvement, consumer electronics, automotive aftermarket, office supply, personal technology, beverage, household products, consumables, financial products, and independent stores. SPAR Group, Inc. was founded in 1967 and is headquartered in Auburn Hills, Michigan.

SU Group NASDAQ:SUGP

$0.51 +0.04 (+9.65%)

Closing price 06/18/2025 03:57 PM Eastern

Extended Trading

$0.53 +0.02 (+4.51%)

As of 06/18/2025 07:53 PM Eastern

SU Group Holdings Limited, through its subsidiaries, operates as an integrated security-related services company in Hong Kong and internationally. The company operates through two segments, Security-Related Engineering Services Business; and Security Guarding and Screening Services Business. It primarily provides security-related engineering, security guarding and screening, and related vocational training services. The company also engages in the design, supply, installation, maintenance, and testing and commissioning of various security systems. In addition, it offers threat detection systems, including X-ray machines, trace detection products, metal detectors, and mail screening machines; traffic and pedestrian control systems, such as traffic control system, automatic fare control systems, turnstiles, automatic door system, and people counting systems; and extra-low voltage systems comprising closed-circuit television, access control, public address, and building management systems to commercial properties, public facilities, and residential properties. Further, the company provides screening services, such as the detection of explosives, and incendiary devices in air cargo consignment and detection of dangerous goods through threat detection systems by screeners; and training courses for basic security services, mandatory basic safety, and training revalidation courses. Additionally, it offers equipment leasing services. The company was founded in 1998 and is headquartered in Kwun Tong, Hong Kong. SU Group Holdings Limited operates as a subsidiary of Exceptional Engineering Limited.

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Comparative Price Performance Over Time