The following are some of the stocks making big moves in Thursday's pre-market trading (as of 08.15 A.M. ET).
In the Green
Montrose Environmental Group, Inc. (MEG) is up over 27% at $28.90.Outset Medical, Inc. (OM) is up over 26% at $16.70.Duolingo, Inc. (DUOL) is up over 24% at $428.63.Tutor Perini Corporation (TPC) is up over 23% at $58.40.Aris Water Solutions, Inc. (ARIS) is up over 22% at $24.43.Groupon, Inc. (GRPN) is up over 19% at $36.65.Celsius Holdings, Inc. (CELH) is up over 18% at $50.80.Niagen Bioscience, Inc. (NAGE) is up over 15% at $10.85.SkyWater Technology, Inc. (SKYT) is up over 15% at $10.25.Imunon, Inc. (IMNN) is up over 8% at $7.70.
In the Red
Redwire Corporation (RDW) is down over 26% at $10.03.Fortinet, Inc. (FTNT) is down over 20% at $76.49.Ultralife Corporation (ULBI) is down over 20% at $6.51.Symbotic Inc. (SYM) is down over 19% at $50.35.Exact Sciences Corporation (EXAS) is down over 17% at $38.52.TSS, Inc. (TSSI) is down over 17% at $23.80.Tandem Diabetes Care, Inc. (TNDM) is down over 17% at $11.84.electroCore, Inc. (ECOR) is down over 17% at $5.75.Crocs, Inc. (CROX) is down over 15% at $88.66.Astronics Corporation (ATRO) is down over 11% at $31.30.
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Business News
April 24, 2026 15:15 ET Economics news flow was relatively light this week even as the conflict in the Middle East continued, raising concerns for policymakers. In the U.S., spending data, initial jobless claims and pending home sales were the highlights. Business confidence in the biggest euro area economy was in focus in Europe. Inflation data from Japan gained attention in Asia.