Stock market today: Nasdaq leads Dow, S&P 500 lower after Samsung, DeepSeek spark chip sell-off - Yahoo Finance

By Amalya Dubrovsky | Published: Jul 07, 2026

US stocks fell on Tuesday after Samsung's (016360.KS) quarterly results and reports that China's DeepSeek is developing its own AI chip sparked renewed selling in semiconductor stocks. The Dow Jones… [+1174 chars]