Shares of behavioral health company Acadia Healthcare (NASDAQ:ACHC) jumped 8.3% in the morning session after activist investor Engine Capital disclosed it had built a roughly 3% stake in the company and was pushing for significant changes.

Shares of online work marketplace Upwork (NASDAQ:UPWK) jumped 2.7% in the morning session after positive analyst commentary highlighted signs of a business turnaround.

Shares of RV Manufacturer Winnebago (NYSE:WGO) jumped 2.7% in the morning session after competitor Thor Industries (THO) reported fourth-quarter earnings and revenue that significantly surpassed analyst expectations, signaling potential strength in the re

Shares of private markets investment firm P10 (NYSE:PX) fell 3.6% in the morning session after multiple insiders reported significant stock sales, raising concerns for investors.

Shares of luxury electric car manufacturer Lucid (NASDAQ:LCID) jumped 2.8% in the morning session after Cantor Fitzgerald raised its price target on the stock to $26 from $20 while maintaining a Neutral rating.

Shares of radiopharmaceutical company Lantheus Holdings (NASDAQ:LNTH) jumped 2.5% in the morning session after it announced an exclusive licensing agreement with GE HealthCare to bring its prostate cancer imaging agent, PYLARIFY, to Japan.

Shares of animal health company Elanco (NYSE:ELAN) jumped 1.4% in the morning session after Stifel raised its price target on the company's shares to $23 from $18 while keeping a Buy rating, pointing to a strong outlook for product growth.

Shares of enterprise workflow automation company ServiceNow (NYSE:NOW) jumped 1.5% in the morning session after Morgan Stanley upgraded the stock to Overweight from Equal Weight, citing that perceived risks were exaggerated.

Shares of recreational products manufacturer American Outdoor Brands (NASDAQ:AOUT) jumped 2.6% in the morning session after its top executives, including the President & CEO and the CFO, purchased company stock, signaling strong confidence in the firm's f

Shares of aviation and defense services provider AAR CORP (NYSE:AIR) jumped 3.3% in the morning session after the company reported third-quarter 2025 results that topped Wall Street's expectations for both revenue and profit.

Shares of government and sustainable technology solutions company KBR (NYSE:KBR) jumped 4.3% in the morning session after the company announced a plan to spin off its Mission Technology Solutions (MTS) segment into a separate, publicly traded company.

Shares of electric vehicle charging company EVgo (NASDAQ:EVGO) jumped 3.2% in the morning session after California's governor reversed a pledge to restore the state's EV tax credit, opting instead to redirect funds toward expanding charging infrastructure

Shares of casual salad chain Sweetgreen (NYSE:SG) jumped 3.1% in the morning session after the company announced its debut in Arizona with two new restaurant openings.

Shares of infrastructure solutions provider Quanta (NYSE:PWR) jumped 3.3% in the morning session after Jefferies upgraded the stock to 'Buy' from 'Hold' and increased its price target to $469 from $398.

Shares of inclusive gym franchise company (NYSE:PLNT) jumped 4.9% in the morning session after TD Cowen reiterated its \\