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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.

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$184.42
-1.6%
$192.03
$151.61
$242.52
$1.96T1.3941.67 million shs54.40 million shs
iRobot Co. stock logo
IRBT
iRobot
$2.45
+3.4%
$3.66
$1.76
$14.51
$76.00M1.141.56 million shs1.81 million shs
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
$49.50
+9.6%
$48.67
$37.21
$85.87
$1.67B0.81371,396 shs1.50 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Amazon.com, Inc. stock logo
AMZN
Amazon.com
-0.17%+8.21%-2.77%-20.96%+3.55%
iRobot Co. stock logo
IRBT
iRobot
-2.87%+19.70%-15.96%-69.38%-71.99%
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
+1.51%+14.62%-10.98%-11.90%-39.87%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Amazon.com, Inc. stock logo
AMZN
Amazon.com
4.8797 of 5 stars
4.53.01.73.02.63.31.9
iRobot Co. stock logo
IRBT
iRobot
1.3066 of 5 stars
0.02.00.02.62.41.71.3
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
4.5647 of 5 stars
3.45.03.30.02.11.73.1
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Amazon.com, Inc. stock logo
AMZN
Amazon.com
2.96
Moderate Buy$246.5033.66% Upside
iRobot Co. stock logo
IRBT
iRobot
2.00
HoldN/AN/A
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
2.88
Moderate Buy$78.3858.33% Upside

Current Analyst Ratings Breakdown

Latest IRBT, AMZN, and SIMO Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/30/2025
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
Needham & Company LLC
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Lower Price TargetBuy ➝ Buy$70.00 ➝ $65.00
4/30/2025
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
Wedbush
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Reiterated RatingOutperform$90.00
4/29/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
UBS Group
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Lower Price TargetBuy ➝ Buy$272.00 ➝ $253.00
4/28/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
Oppenheimer
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Lower Price TargetOutperform ➝ Outperform$260.00 ➝ $220.00
4/23/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
Stifel Nicolaus
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Lower Price TargetBuy ➝ Buy$275.00 ➝ $248.00
4/23/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
Telsey Advisory Group
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Lower Price TargetOutperform ➝ Outperform$275.00 ➝ $235.00
4/23/2025
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
Bank of America
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UpgradeUnderperform ➝ Neutral$47.00
4/22/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
The Goldman Sachs Group
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Lower Price TargetBuy ➝ Buy$255.00 ➝ $220.00
4/22/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
Jefferies Financial Group
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Lower Price TargetBuy$250.00 ➝ $240.00
4/21/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
Scotiabank
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Lower Price TargetSector Outperform ➝ Sector Outperform$306.00 ➝ $250.00
4/21/2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
Raymond James
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingStrong-Buy ➝ Outperform$275.00 ➝ $195.00
(Data available from 4/30/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$637.96B3.07$9.00 per share20.49$26.98 per share6.84
iRobot Co. stock logo
IRBT
iRobot
$681.85M0.11N/AN/A$7.03 per share0.35
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
$803.55M2.07$2.86 per share17.33$22.97 per share2.15
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$59.25B$5.5333.3524.791.509.29%24.25%10.55%5/1/2025 (Estimated)
iRobot Co. stock logo
IRBT
iRobot
-$304.71M-$4.84N/AN/AN/A-16.15%-100.79%-26.97%5/6/2025 (Estimated)
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
$90.72M$2.6918.4011.301.3611.29%11.63%8.77%N/A

Latest IRBT, AMZN, and SIMO Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/6/2025Q1 2025
iRobot Co. stock logo
IRBT
iRobot
-$0.57N/AN/AN/A$125.00 millionN/A
5/1/2025Q1 2025
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$1.38N/AN/AN/A$154.96 billionN/A
4/29/2025Q1 2025
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
$0.44$0.60+$0.16$0.58$162.69 million$166.49 million
2/6/2025Q4 2024
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$1.52$1.86+$0.34$1.86$187.25 billionN/A
2/5/2025Q4 2024
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
$0.78$0.68-$0.10$0.68$191.00 millionN/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$0.200.11%N/A3.62%N/A
iRobot Co. stock logo
IRBT
iRobot
N/AN/AN/AN/AN/A
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
$1.994.02%+8.87%73.98%N/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Amazon.com, Inc. stock logo
AMZN
Amazon.com
0.18
1.06
0.87
iRobot Co. stock logo
IRBT
iRobot
1.24
1.45
0.94
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
N/A
3.99
2.98

Institutional Ownership

CompanyInstitutional Ownership
Amazon.com, Inc. stock logo
AMZN
Amazon.com
72.20%
iRobot Co. stock logo
IRBT
iRobot
77.42%
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
78.02%

Insider Ownership

CompanyInsider Ownership
Amazon.com, Inc. stock logo
AMZN
Amazon.com
10.80%
iRobot Co. stock logo
IRBT
iRobot
0.62%
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
5.34%
CompanyEmployeesShares OutstandingFree FloatOptionable
Amazon.com, Inc. stock logo
AMZN
Amazon.com
1,541,00010.61 billion9.45 billionOptionable
iRobot Co. stock logo
IRBT
iRobot
1,25031.02 million29.94 millionOptionable
Silicon Motion Technology Co. stock logo
SIMO
Silicon Motion Technology
1,43033.68 million31.88 millionOptionable

Recent News About These Companies

Silicon Motion Technology's Earnings Outlook
Silicon Motion Technology (SIMO) Projected to Post Earnings on Tuesday
Silicon Motion confirms quarterly dividend of 50c per ADS
Craig-Hallum Sticks to Its Buy Rating for Silicon Motion (SIMO)
Silicon Motion Confirms Quarterly Dividend

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

View All Headlines
Amazon.com stock logo

Amazon.com NASDAQ:AMZN

$184.42 -2.97 (-1.58%)
As of 04:00 PM Eastern

Amazon.com, Inc. engages in the retail sale of consumer products, advertising, and subscriptions service through online and physical stores in North America and internationally. The company operates through three segments: North America, International, and Amazon Web Services (AWS). It also manufactures and sells electronic devices, including Kindle, Fire tablets, Fire TVs, Echo, Ring, Blink, and eero; and develops and produces media content. In addition, the company offers programs that enable sellers to sell their products in its stores; and programs that allow authors, independent publishers, musicians, filmmakers, Twitch streamers, skill and app developers, and others to publish and sell content. Further, it provides compute, storage, database, analytics, machine learning, and other services, as well as advertising services through programs, such as sponsored ads, display, and video advertising. Additionally, the company offers Amazon Prime, a membership program. The company's products offered through its stores include merchandise and content purchased for resale and products offered by third-party sellers. It serves consumers, sellers, developers, enterprises, content creators, advertisers, and employees. Amazon.com, Inc. was incorporated in 1994 and is headquartered in Seattle, Washington.

iRobot stock logo

iRobot NASDAQ:IRBT

$2.45 +0.08 (+3.38%)
As of 04:00 PM Eastern

iRobot Corporation designs, builds, and sells robots and home innovation products in the United States, Europe, the Middle East, Africa, Japan, and internationally. The company offers floor care products, including Roomba floor vacuuming robots; Roomba accessories and consumables, such as the Clean Base Automatic Dirt Disposal, replacement dirt disposal bags for the Clean Base, filters, brushes, and batteries; Braava family of automatic floor mopping robots; and Braava accessories and consumables, which include cleaning solution, washable and disposable mopping pads, replacement tanks, and batteries, as well as subscription services. It also provides Root robots for coding, discovery, and play; Roomba Combo mopping and vacuuming robot; and accessories, including robot vacuum and mop, handheld vacuum, and air purifier, educational coding robot, and accessory bundles. The company sells its products through chain stores and other national retailers, value- added distributors, and resellers, as well as through its website and app, and e-commerce websites. iRobot Corporation was incorporated in 1990 and is headquartered in Bedford, Massachusetts.

Silicon Motion Technology stock logo

Silicon Motion Technology NASDAQ:SIMO

$49.50 +4.34 (+9.61%)
As of 04:00 PM Eastern

Silicon Motion Technology Corporation, together with its subsidiaries, designs, develops, and markets NAND flash controllers for solid-state storage devices. The company offers controllers for computing-grade solid state drives (SSDs), which are used in PCs and other client devices; enterprise-grade SSDs used in data centers; eMMC and UFS mobile embedded storage for use in smartphones and IoT devices; flash memory cards and flash drives for use in expandable storage; and specialized SSDs that are used in industrial, commercial, and automotive applications. It markets its controllers under the SMI brand; enterprise-grade SSDs under the Shannon Systems brand; and single-chip industrial-grade SSDs under the FerriSSD, Ferri-eMMC, and Ferri-UFS brands. The company markets and sells its products through direct sales personnel and independent electronics distributors to NAND flash makers, module makers, hyperscalers, and OEMs. It operates in Taiwan, the United States, Korea, China, Malaysia, Singapore, and internationally. The company was founded in 1995 and is based in Hong Kong, Hong Kong.