https://www.live-feeds.com/feed/stock-market-today-nasdaq-plunges-5-amid-chip-stock-wipeout-dow-and-s-p-500-erase-post-election-rally-gainsContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/stock-market-today-nasdaq-plunges-5-amid-chip-stock-wipeout-dow-and-s-p-500-erase-post-election-rally-gainshttps://www.live-feeds.com/feed/stock-market-today-nasdaq-plunges-5-amid-chip-stock-wipeout-dow-and-s-p-500-erase-post-election-rally-gains#u197395Thu, 12 Nov 2026 17:06:00 +0000The Nasdaq plunged 5 percent in a dramatic market reversal, wiping out gains from the post-election rally that followed a Democratic sweep of the Senate and House in the November midterm elections. The Dow Jones Industrial Average and S&P 500 also erased their post-election gains during the broad downturn. A sharp selloff in semiconductor and artificial intelligence stocks weighed heavily on major indexes, dragging down Wall Street script expectations and causing double-digit drops for some large public companies.Why it mattersThe sharp market downturn follows a major political shift from