Stock market news today: Tech roars back as S&P 500, Nasdaq surge ahead of earnings Yahoo FinanceWall St closes higher as investors return to megacap stocks ReutersCrowdStrike, DJT, Tesla, Nvidia, Verizon, Mattel, Ryanair, and More Market Movers Barron’sIs Kamala Harris Good For Stocks? ‘Blue’ Sectors Like Tech Lead Monday Market Rally ForbesS&P 500 futures are little changed as investors await key earnings reports: Live updates CNBC