Insight Guru Inc.
10/31/2026 | Press release | Distributed by Public on 10/31/2026 04:10
Market Movers | Winners: GDYN, FMC, ULH | Losers: ATEC, RDDT, ABR
The S&P 500 slid 1.8% on Friday, October 30, while the Nasdaq-100 fell 3.5% and the Dow Jones Industrial Average dropped 1.1%. Over the past week the S&P 500 is down 0.6%, and over the past month it is down 1.1%.
Within the Trefis coverage universe, 1,104 stocks rose and 3,008 fell. At the extremes, Grid Dynamics (GDYN) gained 40.8% and Alphatec (ATEC) fell 38.1%.
Friday's Market Winners
The 10 US-listed stocks in the Trefis coverage universe worth at least $300 million with the highest returns on Friday:
| # | Ticker | Company Name |
1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | GDYN | Grid Dynamics | 40.8% | 48.0% |
| 2 | FMC | FMC | 30.5% | -54.4% |
| 3 | ULH | Universal Logistics | 29.7% | 51.5% |
| 4 | OSPN | OneSpan | 27.3% | 106.1% |
| 5 | ACCO | ACCO Brands | 26.1% | 57.0% |
| 6 | RMNI | Rimini Street | 24.3% | 27.8% |
| 7 | CDNA | CareDx | 22.2% | 364.0% |
| 8 | CVEO | Civeo | 17.7% | 57.3% |
| 9 | CPRI | Capri | 16.3% | -23.4% |
| 10 | FDXF | FedEx Freight | 14.9% | n/a |
Friday's Market Losers
And the 10 US-listed stocks in the Trefis coverage universe worth at least $300 million with the lowest returns on Friday:
| # | Ticker | Company Name |
1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | ATEC | Alphatec | -38.1% | -66.5% |
| 2 | RDDT | -29.2% | -60.1% | |
| 3 | ABR | Arbor Realty Trust | -29.1% | -69.6% |
| 4 | GYRE | Gyre Therapeutics | -28.9% | -35.5% |
| 5 | INTC | Intel | -28.6% | 78.2% |
| 6 | COUR | Coursera | -25.5% | -52.9% |
| 7 | CRMD | Cormedix | -25.5% | -51.0% |
| 8 | XMAX | XMAX | -20.7% | n/a |
| 9 | OPY | Oppenheimer | -20.1% | 19.9% |
| 10 | CACC | Credit Acceptance | -19.3% | 4.8% |
Some Of Friday's Biggest Moves Were Weeks In The Making
The 40.8% gain in Grid Dynamics (GDYN) on Friday was not a one-off: the stock is up 59.4% over the past month, and up 13.2% over the sessions before Friday.
Intel (INTC) appears on both the one-day and one-month losers lists. It fell 28.6% on Friday and is down 45.2% over the past month; excluding Friday, it had already lost 23.3% over the other sessions.
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 | GDYN | Grid Dynamics | 54.5% | 48.0% |
| 2 | REPL | Replimune | 53.7% | n/a |
| 3 | SGRY | Surgery Partners | 47.4% | 50.2% |
| 4 | ADT | ADT | 42.9% | 25.2% |
| 5 | EAF | GrafTech International | 39.8% | -23.3% |
| 6 | ULH | Universal Logistics | 34.9% | 51.5% |
| 7 | TDOC | Teladoc Health | 34.2% | 21.6% |
| 8 | GKOS | Glaukos | 32.8% | 110.4% |
| 9 | ULCC | Frontier | 30.6% | 36.9% |
| 10 | AXGN | Axogen | 29.7% | 50.8% |
Losers
| # | Ticker | Company Name |
1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | BCAX | Bicara Therapeutics | -46.5% | -45.8% |
| 2 | IOVA | Iovance Biotherapeutics | -39.8% | 210.6% |
| 3 | ATEC | Alphatec | -36.6% | -66.5% |
| 4 | RDDT | -36.4% | -60.1% | |
| 5 | BXBL | BOXABL | -34.3% | n/a |
| 6 | NOW | ServiceNow | -33.9% | -31.4% |
| 7 | COUR | Coursera | -31.7% | -52.9% |
| 8 | ORIC | ORIC Pharmaceuticals | -29.8% | 13.0% |
| 9 | AVBP | ArriVent BioPharma | -29.2% | -26.1% |
| 10 | CMPR | Cimpress | -29.1% | -14.4% |
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 | BMBL | Bumble | 134.9% | 67.8% |
| 2 | BRZE | Braze | 78.4% | 33.4% |
| 3 | SGRY | Surgery Partners | 75.4% | 50.2% |
| 4 | NAUT | Nautilus Biotechnology | 73.9% | 40.0% |
| 5 | LQDA | Liquidia | 61.0% | 30.6% |
| 6 | GDYN | Grid Dynamics | 59.4% | 48.0% |
| 7 | ADT | ADT | 58.3% | 25.2% |
| 8 | PRME | Prime Medicine | 57.9% | 36.0% |
| 9 | MYGN | Myriad Genetics | 56.4% | 3.3% |
| 10 | MAX | MediaAlpha | 52.4% | 13.9% |
Losers
| # | Ticker | Company Name |
1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | CIFR | Cipher Digital | -52.8% | -50.6% |
| 2 | AVTX | Avalo Therapeutics | -52.0% | -60.5% |
| 3 | BCAX | Bicara Therapeutics | -49.8% | -45.8% |
| 4 | AVBP | ArriVent BioPharma | -48.6% | -26.1% |
| 5 | BLZE | Backblaze | -46.5% | 62.9% |
| 6 | AEHR | Aehr Test Systems | -46.0% | 171.9% |
| 7 | ACMR | ACM Research | -45.6% | 15.3% |
| 8 | INTC | Intel | -45.2% | 78.2% |
| 9 | SECZ | Securitize | -45.0% | n/a |
| 10 | GEMI | Gemini Space Station | -43.4% | -71.1% |
Today's Winner Is Tomorrow's Loser Often Enough
The movers list is the most honest picture of single-stock risk the market prints each day: the same volatility that makes the winners column also fills the losers column, and no one reliably knows which side a stock lands on next.
That is the case for owning a disciplined basket instead of chasing the tape. The Trefis High Quality (HQ) Portfolio holds roughly 30 businesses selected for consistent cash generation, strong margins, and resilient balance sheets, sized and rebalanced with 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. Watch the movers for information; let the portfolio do the compounding.
Insight Guru Inc. published this content on October 31, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on October 31, 2026 at 10:10 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]