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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
ACEV
ACE Convergence Acquisition
$0.02
-0.5%
$0.86
$8.90
$10.91
$193K-0.0252,117 shs100 shs
SemiLEDs Co. stock logo
LEDS
SemiLEDs
$2.68
+0.4%
$2.29
$0.92
$3.00
$21.98M1136,526 shs22,391 shs
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
$2.19
$2.08
$0.43
$2.49
$5.20M0.92,053 shs2 shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
ACEV
ACE Convergence Acquisition
0.00%+100.00%+81.82%+2,122.22%+2,122.22%
SemiLEDs Co. stock logo
LEDS
SemiLEDs
+0.37%+10.29%+17.60%+61.45%+87.41%
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
0.00%-0.11%+6.71%-0.11%+199.67%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
ACEV
ACE Convergence Acquisition
N/AN/AN/AN/AN/AN/AN/AN/A
SemiLEDs Co. stock logo
LEDS
SemiLEDs
1.7304 of 5 stars
0.05.00.00.02.83.30.0
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
ACEV
ACE Convergence Acquisition
0.00
N/AN/AN/A
SemiLEDs Co. stock logo
LEDS
SemiLEDs
0.00
N/AN/AN/A
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
ACEV
ACE Convergence Acquisition
N/AN/A$0.00 per share48.09($5.00) per shareN/A
SemiLEDs Co. stock logo
LEDS
SemiLEDs
$14.78M1.49N/AN/A$0.31 per share8.65
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
$3.88M1.34$0.02 per share89.59$0.17 per share12.87
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
ACEV
ACE Convergence Acquisition
$5.85MN/A0.00N/AN/A-110.63%-3.15%N/A
SemiLEDs Co. stock logo
LEDS
SemiLEDs
-$2.04M-$0.17N/AN/A-41.41%-81.97%-17.62%N/A
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
-$10K$0.1911.51N/A-29.90%-122.29%-47.56%N/A

Latest LEDS, RBCN, and ACEV Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
4/10/2025Q2 2025
SemiLEDs Co. stock logo
LEDS
SemiLEDs
N/A$0.05N/A$0.05N/A$10.87 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
ACEV
ACE Convergence Acquisition
N/AN/AN/AN/AN/A
SemiLEDs Co. stock logo
LEDS
SemiLEDs
N/AN/AN/AN/AN/A
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
$11.00502.83%N/A5,789.47%N/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
ACEV
ACE Convergence Acquisition
N/AN/AN/A
SemiLEDs Co. stock logo
LEDS
SemiLEDs
0.47
0.77
0.25
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
N/A
1.51
1.38

Institutional Ownership

CompanyInstitutional Ownership
ACEV
ACE Convergence Acquisition
41.21%
SemiLEDs Co. stock logo
LEDS
SemiLEDs
76.29%
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
0.01%

Insider Ownership

CompanyInsider Ownership
ACEV
ACE Convergence Acquisition
34.20%
SemiLEDs Co. stock logo
LEDS
SemiLEDs
52.10%
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
3.60%
CompanyEmployeesShares OutstandingFree FloatOptionable
ACEV
ACE Convergence Acquisition
49.70 million6.38 millionNot Optionable
SemiLEDs Co. stock logo
LEDS
SemiLEDs
1308.20 million3.46 millionNot Optionable
Rubicon Technology, Inc. stock logo
RBCN
Rubicon Technology
102.38 million2.29 millionNot Optionable

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Media Sentiment Over Time

ACE Convergence Acquisition NASDAQ:ACEV

ACE Convergence Acquisition Corp. does not have significant operations. The company focuses on effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization, or other similar business combination with one or more businesses. It intends to focus on businesses in the IT infrastructure software and semiconductor sectors. ACE Convergence Acquisition Corp. was incorporated in 2020 and is based in Wilmington, Delaware.

SemiLEDs stock logo

SemiLEDs NASDAQ:LEDS

$2.68 +0.01 (+0.37%)
Closing price 05/29/2025 03:55 PM Eastern
Extended Trading
$2.72 +0.04 (+1.68%)
As of 05/29/2025 07:44 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

SemiLEDs Corporation develops, manufactures, and sells light emitting diode (LED) chips, LED components, and LED modules and systems in the United States, Taiwan, the Netherlands, Germany, Japan, and internationally. The company also sells enhanced vertical, LED product series in blue, white, green, and UV; LED chips to packagers or distributors; and lighting products primarily to original design manufacturers of lighting products and the end-users of lighting devices, as well as packs and sells its LED chips. Its products are used for general lighting applications, including commercial, industrial, and residential lighting; and specialty industrial applications, such as ultraviolet or UV, curing of polymers, LED light therapy in medical/cosmetic applications, counterfeit detection, germicidal and viricidal devices LED lighting for horticulture applications, architectural lighting, and entertainment lighting. The company was incorporated in 2005 and is based in Chu-Nan, Taiwan.

Rubicon Technology stock logo

Rubicon Technology NASDAQ:RBCN

$2.19 0.00 (0.00%)
As of 05/28/2025

Rubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems in North America, Asia, and internationally. The company offers optical and industrial sapphire products in various shapes and sizes, including sheets, rods, tubes, core, ingots, and prisms for a range of end markets comprising defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronic substrates, medical, and laser applications. It serves defense subcontractors, industrial manufacturers, fabricators, and resellers. The company was incorporated in 2001 and is based in Bensenville, Illinois.