Stock market today: S&P 500, Nasdaq, Dow rise as oil slides, wave of solid earnings rolls in Yahoo FinanceAI, chip stocks jump as US-Iran ceasefire holds Seeking AlphaMarkets on edge as fresh U.S.-Iran attacks dent optimism over a peace deal CNBCUS Premarket Movers for May 5, 2026 Bloomberg.comWall Street rebounds as oil drops despite Middle East tensions The Detroit News