US Stock Market Top Losers Today (December 10, 2025): Polestar, AeroVironment, Denali, Uber and AutoZone Tumble After the Bell
Polestar Automotive shares dropped 25.1% Wednesday after a 1-for-30 reverse stock split and trading halt, with analysts citing ongoing losses and debt concerns. The S&P 500 and Dow hit new highs following a Fed rate cut, but several high-profile stocks, including AeroVironment and Denali Therapeutics, also posted double-digit declines. Microcaps like Work Medical Technology plunged over 85%.