Top Losers of the Day

• SentinelOne - Shares plummeted 16.6% despite reporting better-than-expected quarterly results, as the company's first-quarter revenue guidance came in line with expectations.

• UiPath - Shares fell 6.9% after the company posted weaker-than-expected revenue guidance for the first quarter.

  
  

• Under Armour - Shares dropped 10.7% on news of the company's founder, Kevin Plank, returning as CEO, signaling concerns about the company's current strategy.

• Fisker - Shares roughly halved to 15 cents per share following a report that the electric vehicle developer hired restructuring advisors for a potential bankruptcy filing.

• U.S. Steel - Shares declined 6.4% amid reports that President Joe Biden has serious concerns over the proposed acquisition of the company by Nippon Steel.