Dow Jones Today | Nasdaq | S&P 500 Live Updates: S&P 500 and Nasdaq futures rose on Monday as chip stocks recovered from recent losses, though escalating tensions in the Middle East kept investor sentiment cautious. Shares of Nvidia, Broadcom and Micron Technology gained 1.7% to 3.7% in premarket trading after Friday’s sharp selloff erased nearly $1 trillion in market value from U.S.-listed semiconductor companies.