Market Movers | Winners: FWAC, REPL, MGRX | Losers: KPTI, BIOA, MBRX
The day’s most extreme stock moves were not sudden events, but continuations of much longer trends.
Futurewave Acquisition (FWAC) gained +460.8% today, but its one-month return is an even larger +610.1%. On the other side, Karyopharm Therapeutics (KPTI) fell 72.6%, deepening a one-month decline of -79.9%.
This persistence occurred against a backdrop of modest gains, with the S&P 500 returning +0.7% and the Dow Jones Industrial Average returning +0.5%. The central question for any investor looking at today’s extremes is how to distinguish a fleeting move from an established trend. The day’s biggest winners and losers offer a starting point.
Friday’s Market Winners
The 9 stocks with the highest returns on the last trading day:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | FWAC | Futurewave Acquisition | 460.8% | 287.1% |
| 2 | REPL | Replimune | 107.0% | 15.2% |
| 3 | MGRX | Mangoceuticals | 89.7% | -24.7% |
| 4 | TCX | Tucows | 59.2% | -31.1% |
| 5 | BURU | Nuburu | 38.7% | -93.0% |
| 6 | ELOX | Eloxx Pharmaceuticals | 31.1% | n/a |
| 7 | IESC | IES | 30.3% | 91.4% |
| 8 | SCYX | SCYNEXIS | 29.8% | -4.3% |
| 9 | AXTI | AXT | 28.7% | 269.6% |
Friday’s Market Losers
And the 7 stocks with the lowest returns:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | KPTI | Karyopharm Therapeutics | -72.6% | -73.9% |
| 2 | BIOA | Bioage Labs | -63.6% | -31.7% |
| 3 | MBRX | Moleculin Biotech | -60.8% | -87.9% |
| 4 | MYGN | Myriad Genetics | -46.7% | -53.5% |
| 5 | CYCU | Cycurion | -44.8% | -67.8% |
| 6 | GYGY | Game Your Game | -43.2% | n/a |
| 7 | GCTK | GlucoTrack | -38.8% | -87.7% |
So is this a sudden collapse for the biggest losers?
The data shows the opposite. Karyopharm Therapeutics (KPTI) appears on both the one-day and one-month losers lists. Its weakness has been building for weeks, culminating in a one-month return of -79.9%. Moleculin Biotech (MBRX) shows a similar pattern, also appearing on both lists with a one-month return of -85.1%. For Karyopharm, this decline comes even as its revenue grew 6.3% over the last twelve months, leaving its market value at about $42.3 million.
Movers Over The Last Week
Widening the window to five trading days, these are the strongest and weakest Market names:
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | FWAC | Futurewave Acquisition | 470.5% | 287.1% |
| 2 | CYCU | Cycurion | 177.5% | -67.8% |
| 3 | CNET | ZW Data Action Technologies | 101.8% | 17.6% |
| 4 | RACC | Research Alliance Corporation III | 97.4% | n/a |
| 5 | TCX | Tucows | 77.3% | -31.1% |
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | YYAI | Airwa | -98.9% | -99.6% |
| 2 | BIOT | Instinct Bio Technical Company | -97.0% | n/a |
| 3 | MBRX | Moleculin Biotech | -81.1% | -87.9% |
| 4 | CAPR | Capricor Therapeutics | -80.5% | -86.7% |
| 5 | KPTI | Karyopharm Therapeutics | -74.1% | -73.9% |
| 6 | SDST | Stardust Power | -65.8% | -82.4% |
| 7 | IMC | IMC Rare Earths | -65.5% | -65.5% |
| 8 | MPLT | MapLight Therapeutics | -64.4% | -25.9% |
| 9 | BIOA | Bioage Labs | -58.5% | -31.7% |
| 10 | ADVB | Advanced Biomed | -57.9% | 37.1% |
Movers Over The Last Month
And over the last 21 trading days:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | BRKH | Burtech Acquisition II | 641.8% | 409.7% |
| 2 | FWAC | Futurewave Acquisition | 610.1% | 287.1% |
| 3 | FBRX | Forte Biosciences | 259.3% | 180.9% |
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | YYAI | Airwa | -98.4% | -99.6% |
| 2 | LESL | Leslies | -90.1% | -42.4% |
| 3 | MBRX | Moleculin Biotech | -85.1% | -87.9% |
| 4 | CAPR | Capricor Therapeutics | -83.3% | -86.7% |
| 5 | SDOT | Sadot | -81.6% | 995.0% |
| 6 | KPTI | Karyopharm Therapeutics | -79.9% | -73.9% |
| 7 | ONFO | Onfolio | -77.7% | -88.4% |
| 8 | IPW | iPower | -76.2% | -99.2% |
Is a big move on these lists a clear instruction?
Never. A list of extreme movers is a map of where market attention and risk are currently focused, nothing more. The tables appearing earlier show performance over one day, one week, and one month, revealing which names have staying power and which are just noise. A disciplined reader uses these figures as a starting point for research, not a finish line. The critical next step is to investigate the underlying business behind any name that captures your attention.
Either side of these lists can be a lead worth following, with the same follow-up question: does the business back the move? For the winners, our Guidance Momentum screen tracks which companies raised their own forward numbers. For the losers, our Buy the Dip screen flags which marked-down names still have the fundamentals to recover.
Every Name On Those Lists Is A Real Position
The movers list is a daily reminder that the same volatility fills both columns, and nobody knows which side their name lands on next. How much damage any single position could do to your net worth is a question with a precise answer. The Trefis Wealth team computes it for investors professionally, with the same rules-based systematic discipline that runs our High Quality Portfolio. Request a free vulnerability audit of your biggest positions.