Insight Guru Inc.
09/15/2026 | Press release | Distributed by Public on 09/15/2026 00:58
Market Movers | Winners: ELMT, RPD, EVCM | Losers: SWMR, MNTK, BAND
A day of sharp individual stock moves offers a different story than the broader market's quiet decline.
Elmet (ELMT) returned +32.8% while the S&P 500 returned -0.5% and the Nasdaq-100 returned -0.8%. That gap between a single stock and the averages is the day's defining feature. It raises a central question: what separates the day's biggest winners and losers from the market's quiet drift? The tables below detail the largest percentage moves.
Monday's Market Winners
The 10 US-listed stocks in the Trefis coverage universe with the highest returns on the last trading day:
| # | Ticker | Company Name |
1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | ELMT | Elmet | 32.8% | n/a |
| 2 | RPD | Rapid7 | 24.1% | -15.9% |
| 3 | EVCM | EverCommerce | 19.8% | -37.6% |
| 4 | ZS | Zscaler | 16.5% | -14.8% |
| 5 | TENB | Tenable | 16.5% | 49.1% |
| 6 | NTSK | Netskope | 15.6% | -3.1% |
| 7 | RBRK | Rubrik | 15.6% | 31.0% |
| 8 | QLYS | Qualys | 15.1% | 30.1% |
| 9 | S | SentinelOne | 14.5% | 50.7% |
| 10 | TRX | TRX Gold | 14.2% | 40.1% |
Monday's Market Losers
And the 10 US-listed stocks in the Trefis coverage universe with the lowest returns:
| # | Ticker | Company Name |
1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | SWMR | Swarmer | -18.8% | n/a |
| 2 | MNTK | Montauk Renewables | -16.1% | 32.6% |
| 3 | BAND | Bandwidth | -13.9% | 217.0% |
| 4 | GLW | Corning | -13.7% | 64.9% |
| 5 | TER | Teradyne | -13.3% | 70.3% |
| 6 | MXL | MaxLinear | -13.1% | 271.7% |
| 7 | MTSI | MACOM Technology Solutions | -12.8% | 39.9% |
| 8 | COHR | Coherent | -12.7% | 44.4% |
| 9 | VIAV | Viavi Solutions | -12.7% | 89.8% |
| 10 | SHAZ | SharonAI | -12.6% | n/a |
What do the day's biggest movers have in common?
No stock appears on both the one-day and one-month leaderboards on the same side today, so the day's extremes are mostly fresh moves rather than continuations. The action was also concentrated in smaller companies. The day's top gainer, Elmet (ELMT), has a market value of about $610.9 million. The largest decliner, Swarmer (SWMR), has a market value of about $525.3 million.
Movers Over The Last Week
Widening the window to five trading days, these are the strongest and weakest names in the Trefis coverage universe:
Winners
| # | Ticker | Company Name |
1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | INDP | Indaptus Therapeutics | 157.4% | 7.9% |
| 2 | ACVA | ACV Auctions | 49.1% | 29.8% |
| 3 | CMRC | Commerce.com | 41.6% | -11.7% |
| 4 | FEIM | Frequency Electronics | 40.9% | 58.8% |
| 5 | TTRX | Turn Therapeutics | 37.2% | 241.4% |
| 6 | ELMT | Elmet | 28.1% | n/a |
| 7 | IRD | Opus Genetics | 27.8% | 197.0% |
| 8 | NTSK | Netskope | 22.0% | -3.1% |
| 9 | TMS | Teamshares | 21.7% | n/a |
| 10 | FSLY | Fastly | 20.7% | 144.2% |
Losers
| # | Ticker | Company Name |
1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | TTAN | ServiceTitan | -32.9% | -44.6% |
| 2 | SGML | Sigma Lithium | -28.1% | -32.4% |
| 3 | TBBK | Bancorp | -24.9% | -25.6% |
| 4 | ASPI | ASP Isotopes | -24.0% | -40.4% |
| 5 | DYN | Dyne Therapeutics | -23.7% | -5.3% |
| 6 | OCGN | Ocugen | -22.1% | -21.5% |
| 7 | METC | Ramaco Resources | -22.0% | -42.8% |
| 8 | ASMB | Assembly Biosciences | -20.9% | -14.8% |
| 9 | CNL | Collective Mining | -20.6% | -8.8% |
| 10 | RMIX | Suncrete | -20.5% | n/a |
Movers Over The Last Month
And over the last 21 trading days, the strongest and weakest names in the Trefis coverage universe:
Winners
| # | Ticker | Company Name |
1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | CYPH | Cypherpunk Technologies | 298.1% | 122.4% |
| 2 | INDP | Indaptus Therapeutics | 196.2% | 7.9% |
| 3 | MRNA | Moderna | 130.5% | 397.4% |
| 4 | CAPR | Capricor Therapeutics | 109.3% | -69.5% |
| 5 | ARCT | Arcturus Therapeutics | 94.5% | 149.4% |
| 6 | PURR | Hyperliquid Strategies | 73.8% | 232.9% |
| 7 | FWDI | Forward Industries | 67.9% | 5.1% |
| 8 | CMRC | Commerce.com | 64.0% | -11.7% |
| 9 | IRD | Opus Genetics | 60.5% | 197.0% |
| 10 | HTFL | HeartFlow | 59.8% | 69.9% |
Losers
| # | Ticker | Company Name |
1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | EYPT | EyePoint | -68.5% | -76.7% |
| 2 | ALMS | Alumis | -62.2% | -5.5% |
| 3 | RARE | Ultragenyx Pharmaceutical | -48.4% | -40.8% |
| 4 | CRDO | Credo Technology | -43.6% | 4.3% |
| 5 | KRMN | Karman | -42.6% | -52.5% |
| 6 | AADX | Applied Aerospace & Defense | -38.0% | n/a |
| 7 | BLZE | Backblaze | -37.2% | 175.5% |
| 8 | TTAN | ServiceTitan | -37.0% | -44.6% |
| 9 | LCID | Lucid | -35.4% | -60.6% |
| 10 | BRUN | Boost Run | -35.4% | n/a |
So what is the right way to use a movers list?
A large price change is information, not an instruction. It signals that a stock has captured attention and that its risk profile may have changed. The tables earlier show performance over a week and a month, but the same discipline applies to any timeframe. The work is not to chase the return, but to understand the business that produced it. A movers list is the beginning of a question, never the end of one.
The next step is never to trade the list; it is to test it. Our Guidance Momentum screen shows which risers have management raising guidance behind them, and our Buy the Dip screen shows which of the fallers still generate the growth and cash that make a recovery plausible.
Volatility Is The Cost Of Owning Stocks. Concentration Makes It A Bill
Every name on these lists made a move big enough to notice. A diversified holder reads that as noise; a concentrated holder feels it as real money. The difference is not the stock, it is the portfolio around it.
Building that portfolio is what the Trefis High Quality (HQ) Portfolio does: roughly 30 businesses with the cash generation and balance-sheet strength to absorb bad days, selected and rebalanced by rules. It has a track record of outpacing a benchmark that combines the S&P 500, the S&P MidCap 400, and the Russell 2000. Let the movers list remind you why diversification exists.
Insight Guru Inc. published this content on September 15, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on September 15, 2026 at 06:59 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]