Stock market news today: Tech roars back as S&P 500, Nasdaq surge ahead of earnings Yahoo FinanceNvidia, Chip Stocks Power Market Rebound The Wall Street JournalCrowdStrike, DJT, Tesla, Nvidia, Verizon, Mattel, Ryanair, and More Market Movers Barron’sWall St closes higher as investors return to megacap stocks ReutersStock market today: Wall Street climbs as Big Tech recovers following worst week in months The Associated Press