Top 5 Pre-Market Gainers on Tuesday: C3is Inc. (NASDAQ:CISS) +60.04%, Co-Diagnostics (NASDAQ:CODX) +29.47%, Ohmyhome (NASDAQ:OMH) +27.24%, WF Holding (NASDAQ:WFF) +23.14%, Quantum Corporation (NASDAQ:QMCO) +21.25%

Vinay Lochav

10 November 2026 11:44 PM AEDT

Top 5 Pre-Market Gainers on Tuesday: C3is Inc. (NASDAQ:CISS) +60.04%, Co-Diagnostics (NASDAQ:CODX) +29.47%, Ohmyhome (NASDAQ:OMH) +27.24%, WF Holding (NASDAQ:WFF) +23.14%, Quantum Corporation (NASDAQ:QMCO) +21.25%

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Key Highlights

Four of the five biggest pre-market gainers on Tuesday, November 10, 2026 are micro-caps with no catalyst identified, led by C3is Inc. (NASDAQ:CISS) at USD 2.80, up 60.04% from a calculated USD 1.75.
Co-Diagnostics (NASDAQ:CODX) was quoted at USD 0.4130, up 29.47%. Ohmyhome (NASDAQ:OMH) was quoted at USD 32.88, up 27.24% from a calculated prior close of USD 25.84, well above its October price.
WF Holding (NASDAQ:WFF) was quoted at USD 1.33, up 23.14%, on a 20-day average Volume of 46,103,914 shares. Its October 19 close of USD 0.0966 does not match the calculated prior close of USD 1.08.
Quantum Corporation (NASDAQ:QMCO), up 21.25% at USD 20.60, is the only name with an identified catalyst: fiscal Q2 2027 Revenue of USD 89.6 million, up 42.9%, released November 9, 2026.

C3is Inc. (NASDAQ:CISS): Up 60.04% Pre-Market on No Catalyst Identified

C3is Inc. (NASDAQ:CISS) is a Greece-based tanker owner quoted at USD 2.80 pre-market, up 60.04%. Simple arithmetic gives a calculated prior close of USD 1.75. Published coverage identifies no catalyst, and none is supplied here. Moves of this size in micro-cap shipping names often follow a vessel sale, a charter announcement, an offering or a reverse split, and a 1-for-40 reverse split took place on August 19, 2026. Published data from October 12, 2026 showed a Market Value of USD 218,447 on 327,065 shares and a last quote of USD 0.6679, which does not match the calculated prior close, so the share count remains unresolved. Reported cash was USD 33.25 million against reported Debt of USD 64,374, a mix that looks inconsistent. The 20-day average volume was 1,396,351 shares, spreads can be wide and a few trades can set the price. The 52-week change of -99.99% points to dilution risk, and the quote can reverse at the open.

Co-Diagnostics (NASDAQ:CODX): Up 29.47% Pre-Market on No Catalyst Identified

Co-Diagnostics (NASDAQ:CODX) is a Utah-based molecular diagnostics company quoted at USD 0.4130 pre-market, up 29.47%, which implies a calculated prior close of USD 0.3190. Published coverage identifies no catalyst; only third-quarter earnings-date notices turned up. Diagnostics small caps often move on results, grant or contract news, financing or a Nasdaq minimum-bid notice, and a bounce after a steep fall can occur without any news. Published data showed USD 0.7645 on October 14, 2026 and a market value of USD 4.78 million on 6.25 million shares, so the pre-market price implies about USD 2.58 million (calculated). Cash was USD 3.65 million against a trailing net loss of USD 47.06 million and revenue of USD 721,386. The 52-week change was -93.38% and the 20-day average volume 359,681 shares. A price below USD 1.00 raises reverse split and dilution risk, and a tick of USD 0.01 is more than 2% of the price.

Ohmyhome (NASDAQ:OMH): Up 27.24% Pre-Market on No Catalyst Identified

Ohmyhome (NASDAQ:OMH) is a Singapore-based property services company quoted at USD 32.88 pre-market, up 27.24%, with a calculated prior close of USD 25.84. Published coverage identifies no catalyst. Searches found a shareholder-approved 1-for-50 reverse split on August 31, 2026, a reported divestiture of a property Business for USD 1 and a shift toward digital marketing, but no release dated November 9 or November 10, 2026. Restructured nano-caps often move on consolidation effects, placements or low-float trading. The calculated prior close is about 9.4 times the USD 2.74 quoted on October 16, 2026, a gap that could reflect a later consolidation, an offering or a data error. On 1.93 million shares the quote implies about USD 63.46 million (calculated) against USD 5.28 million in October, so the share count is unverified. Average volume is 52,117 shares, and the trailing net loss of USD 6.67 million exceeds USD 3.10 million of cash, so dilution risk is high.

WF Holding (NASDAQ:WFF): Up 23.14% Pre-Market on No Catalyst Identified

WF Holding (NASDAQ:WFF) is a Malaysia-linked company that files on Form 20-F, quoted at USD 1.33 pre-market, up 23.14%, with a calculated prior close of USD 1.08. Published coverage identifies no catalyst. Searches found a Nasdaq minimum-bid notice, a 1-for-5 reverse split effective April 13, 2026, and recent 6-K and 20-F filings, but nothing dated November 9 or November 10, 2026. Shares far below USD 1.00 often move on a fresh reverse split, a Placement or a financing. The stock closed at USD 0.0966 on October 19, 2026, so the calculated prior close is about 11 times that level, which points to a consolidation, a rally or a data error that could not be resolved. At 45.36 million shares the quote implies about USD 60.33 million (calculated) against USD 4.38 million in October. Trailing net loss was USD 87.56 million on revenue of USD 6.94 million, cash was USD 1.50 million, and the 52-week change was -97.68%.

Quantum Corporation (NASDAQ:QMCO): Up 21.25% Pre-Market on Fiscal Q2 2027 Results and Guidance

Quantum Corporation (NASDAQ:QMCO) is quoted at USD 20.60 pre-market, up 21.25% from a calculated prior close of USD 16.99, and it is the one gainer with an identified catalyst. The company release dated November 9, 2026 reported fiscal Q2 2027 revenue of USD 89.6 million, up 42.9% year on year, a GAAP gross Margin of 41.0% and adjusted EBITDA of USD 11.1 million, against USD 0.5 million a year earlier. Third-quarter revenue guidance is USD 91.0 million, plus or minus USD 2 million, and the company cites a record Backlog of nearly USD 100 million. Post-earnings gaps often reflect repricing of forward estimates. Shares outstanding rose to 39,541 thousand, so simple arithmetic gives a market value near USD 814 million (calculated). The GAAP net loss was USD 44.8 million, including a USD 51.6 million non-cash Warrant charge, and warrant liabilities of USD 83.3 million can swing results. Pre-market volume is thin and an Earnings gap can reverse at the open.

Where Things Stand

The biggest pre-market gainer on Tuesday, November 10, 2026 is C3is Inc. at 60.04%, followed by Co-Diagnostics, Ohmyhome, WF Holding and Quantum Corporation. The common thread is a low share price or small market value, thin trading and, for four of the five, no catalyst identified in published coverage; only Quantum Corporation reported results. Moves in thinly traded names can reverse at the open because few shares trade, spreads are wide and a handful of orders can set the quote. These lists draw on a pre-market screener snapshot of November 10, 2026, so share counts and prior closes should be confirmed in company filings.

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