General Motors (GM) Falls 7.5%, Leading All Session Losers on October 20
As seen on the 24/7 Wall St. homepage on October 20, 2026.
General Motors shed 7.5% into the close, the worst showing across 387 priority names and nearly double the next-biggest decline. GoPro and Clover Health anchored the other end, each up more than 7.5%.
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General Motors closed at $76.56 on October 20, 2026, down 7.48% for the session. That was the steepest decline across 387 priority names tracked at the close, and it was nearly double the drop posted by the next-biggest faller.
GE Aerospace came in second among the decliners, off 3.82%, followed closely by IREN, Howmet Aerospace and Quanta Services, a clustering of aerospace and industrial names at the bottom of the session.
On the other side of the ledger, GoPro led all gainers with a 7.69% advance, ahead of Clover Health, Bill Holdings, Moderna and argenx.
The winning side was broad while the damage stayed concentrated at the top of the losers list, leaving GM as the session's defining move even as several names posted meaningful gains.