US stock futures rebound as Dow, S&P 500, Nasdaq surge on Alphabet, Apple rally, Macys jumps, Treasury yields rise, gold hits records

U.S. stock futures rebounded Wednesday as the S&P 500 and Nasdaq surged on Alphabet and Apple gains. Macys jumped on strong results, Dollar Tree slid, Treasury yields climbed toward 5%, and gold smashed records above $3,500.