Premarket Stock Movers — August 13, 2026: Why FGI, GXAI, ARX, OFAL & CURI Are Surging

FGI — FGI Industries Ltd. (+79.5%)

FGI Industries is surging 79.5% to $8.65 in premarket trading on 31.2 million shares — versus a 20-day average of just 24,808. That's roughly 1,258× its normal volume before the open even rings, making this one of the most extraordinary volume spikes you'll see on any given morning.

Why it's moving: The catalyst is a blowout Q2 2026 earnings report released after Wednesday's close. According to scanx.trade and Yahoo Finance, FGI posted adjusted EPS of $0.60, smashing the consensus estimate by $0.59 — nearly the entire beat was upside. Stock Titan reports that Accelerant turned a Q2 loss into a $1.3 million profit while gross margin expanded to 33.4%. Revenue did fall short of estimates per Investing.com, but for a micro-cap with a $9.3M market cap that had been losing money, a swing to profitability dominates the narrative.

The technical picture heading in: The StockSetups daily chart through August 12 shows a mixed MA stack and a low ADX of 12 — meaning the prior trend was weak and directionless — with RSI sitting at a neutral 56. The stock was 57.4% below its 52-week high, so there was plenty of overhead supply. Conviction scored just 16/100 (grade D) and the trend-template score was 2, reflecting a stock that was fundamentally off the radar technically. The short-squeeze score is a modest 20/100; with only 17,597 shares short and 0.9 days to cover, this move is almost entirely earnings-driven rather than a mechanical squeeze.

FGI is a micro-cap (market cap $9.3M) with a free float of 26.9% — meaning very few shares are available to trade publicly. A low float (the small number of shares in circulation) amplifies price moves dramatically in both directions: a rush of buyers can send shares vertical, but the reversal can be just as swift. Treat extreme gap-ups on thin-float names with caution heading into the regular session.

GXAI — GAXOS.AI INC. (+52.1%)

GAXOS.AI is up 52.1% to $1.34 premarket on 37.3 million shares — against a 20-day average of 278,419. Volume is running at roughly 134× normal before the open, a signal that traders are piling in fast.

Why it's moving: Gaxos delivered a standout Q2 earnings report. Per Yahoo Finance, the company posted record second-quarter revenue, up 35.8% sequentially and 1,337% year-over-year. Scanx.trade confirms EPS beat estimates. Stock Titan adds that Gaxos has pivoted to AI health, logged a Q2 profit, and is showing strong cash generation — a combination that's resonating with investors who see the AI health angle as a fresh growth narrative. Moomoo noted the stock had already shot up 55% in post-market trading on August 12, so this premarket move is an extension of that initial reaction.

The technical picture heading in: The daily chart through August 12 shows a bullish marubozu candlestick — a full-bodied candle with little to no wicks, signaling that buyers controlled the session from open to close with no meaningful seller pushback. RSI at 40 and a bearish MA stack tell you the stock was still in a downtrend before this catalyst hit; it sits 68.1% below its 52-week high. Conviction is 0/100 and the trend-template is 0, confirming this is not a technically healthy chart — it's a pure catalyst play.

The squeeze score is just 11/100 and days to cover is 0.7, so short covering is not a major driver. With a 96.8% free float, shares are widely available — the surge is being powered by new buyers responding to the earnings, not a mechanical short squeeze. The $9.5M market cap places this firmly in micro-cap territory where liquidity is thin and volatility is extreme.

ARX — Accelerant Holdings (+44.7%)

Accelerant Holdings is surging 44.7% to $19.66 premarket on 12.4 million shares — nearly 5× its 20-day average of 2.5 million. For a $2.3B market-cap financial company, this is a substantial move backed by meaningful volume.

Why it's moving: This one has two simultaneous catalysts. Stock Titan reports that Accelerant has agreed to a $20.25-per-share buyout by private equity firm Thoma Bravo — the kind of hard-dollar acquisition price that gives the market a clear anchor and typically drives shares toward the deal price quickly. Alongside the deal announcement, Accelerant also sharply lifted Q2 2026 profit and revenue, according to Stock Titan, and Yahoo Finance confirms ARX was among the notable premarket surges on August 13. A private equity buyout at a fixed per-share price, combined with a strong earnings beat, is one of the most powerful double-catalyst combinations a stock can have.

The technical picture heading in: The daily chart through August 12 shows a three outside up candlestick pattern — a three-candle bullish reversal signal where a bearish candle is fully engulfed by the next, followed by a higher close confirming buying momentum. RSI was at 55 (neutral) with ADX at 15 (weak trend), and the MA stack was mixed. The stock was 54.8% below its 52-week high heading into this morning, so even at $19.66 it's still near the buyout offer price of $20.25 rather than elevated beyond it.

The squeeze score is 53/100 — the highest of this morning's five movers — with 6.77 million shares short and 3.7 days to cover. Days to cover measures how many days of average trading volume it would take all short sellers to buy back their shares; at 3.7, there's a meaningful short position that must now unwind, adding fuel to the premarket surge. This is the largest and most liquid name in today's premarket mover list, but buyout arbitrage carries its own risks — deals can fall through, and shares could reprice sharply if they do.

OFAL — OFA Group (+31.3%)

OFA Group is up 31.3% to $1.76 premarket on 26.1 million shares — roughly 18.5× its 20-day average of 1.4 million. The premarket gap is a staggering +256.1% above the prior close on the gap indicator, reflecting enormous price dislocation.

Why it's moving: The catalyst here is less clearly defined in this morning's data. The available headlines from August 12 reference general "industrials stocks" roundups, an "oversold stocks" screener mention on openPR.com, a Quiver Quantitative piece titled "Why OFA Group (OFAL) Stock Is Up Today," and a Moomoo note showing OFA surged 320.63% during Wednesday's session. StocksToTrade flagged it as "rocketing on heavy volume as day traders pile in." There is no specific news release, earnings report, or SEC filing from August 12–13 that directly explains a fundamental catalyst — the most recent 8-K is from July 27 (a Reg FD filing) and the 10-K is from July 14. The specific catalyst driving this move is unclear from available public information; it appears to be heavily momentum- and day-trader-driven.

The technical picture heading in: RSI at 77 entering this morning signals overbought conditions — the stock was already running hot after Wednesday's 320% surge. ADX at 57 indicates a strong established trend, and the technical rank is 99 (top percentile). The trend-template score of 4 is the second-highest in this group. However, conviction is only 32/100 (grade D), and the stock remains 23.9% below its 52-week high — leaving room but also overhead supply.

With a free float of just 35.3% and only 124,842 shares short (0.2 days to cover), squeeze mechanics are minimal. This is a low-float momentum stock — the kind where a small number of buyers can push prices vertically, but reversals can be equally violent. The RS rating of 90 reflects recent relative strength, but traders should be aware this name has already made an enormous multi-day move. Relative volume (RVOL) is extreme, which can cut both ways.

CURI — CuriosityStream Inc. (+27.4%)

CuriosityStream is up 27.4% to $3.56 premarket on 2.97 million shares — nearly 10× its 20-day average of 305,477. It's the most measured move of the five, but the combination of catalysts and short setup makes it worth a close look.

Why it's moving: CuriosityStream is surging on a strong Q2 2026 earnings report with meaningful forward guidance. Per scanx.trade, the company posted record Q2 earnings and raised its full-year outlook. Yahoo Finance highlights the Q2 earnings call as featuring record EBITDA and AI licensing revenue — a detail that flags a new revenue stream the market is likely pricing in favorably. TipRanks confirms CuriosityStream declared a Q3 dividend and raised its 2026 guidance. Kalkine Media is analyzing what the update means for subscriber economics. Taken together: record profitability, a dividend declaration, AI licensing upside, and raised guidance — a compelling multi-point earnings catalyst.

The technical picture heading in: The daily chart through August 12 shows a mixed MA stack with RSI at 62 (moderately elevated but not overbought) and ADX at 19 (weak trend). The stock was 48.3% below its 52-week high, so there's significant room before reclaiming prior levels. Conviction is 18/100 (grade D) and trend-template is 1, meaning this was not a technically positioned breakout candidate — the earnings results are doing all the heavy lifting.

What stands out most is the squeeze score of 58/100 and 8.0 days to cover — the highest days-to-cover figure in this morning's group. With 2.61 million shares short and it taking 8 full trading days of average volume to cover that position, there is meaningful short-squeeze potential amplifying the earnings-driven move. A short squeeze occurs when rising prices force short sellers — traders who bet against a stock — to buy shares to limit losses, pushing prices even higher. The CEO, Clinton Larry Stinchcomb, also made three separate insider purchases totaling 150,000 shares (roughly $410K) in late May, a show of insider confidence that preceded today's catalyst. Insider buying of that size from a CEO is a smart-money signal that StockSetups tracks through its smart-money score.

The bottom line

This premarket brings a compelling mix: a micro-cap earnings turnaround (FGI), an AI-pivot revenue breakout (GXAI), a private equity buyout paired with an earnings beat (ARX), a momentum-driven mystery mover (OFAL), and a record-EBITDA streaming play with meaningful short interest (CURI).

A few honest reminders before the 9:30 AM ET open: premarket prices are not guaranteed to hold into the regular session. Liquidity is thinner before the open, spreads are wider, and big premarket gaps frequently fade — sometimes dramatically — once institutional and retail order flow collides at the bell. Chasing stocks that are already up 30–80% before the open is high-risk trading; even legitimate catalysts can be fully priced in by the time the market opens. Patterns fail, squeezes reverse, and deal rumors can collapse. Always define your risk before entering any position.

StockSetups scans the full ~12,300-stock US universe every premarket morning, detecting chart patterns, computing squeeze and conviction scores, and surfacing the names worth watching before the open. For context on yesterday's biggest after-close movers, see our Top Stock Movers Today — August 12, 2026 recap. For a deeper look at reading volume signals on fast-moving stocks, our Relative Volume (RVOL) guide is a solid starting point. Nothing here is financial advice — do your own research and manage your risk.