[Nasdaq Opens 0.5% Higher, Micron Technology and Intel Surge Over 5%] According to Golden Finance, on May 20, U.S. stock markets opened with the Nasdaq up 0.52%, the S&P 500 up 0.3%, and the Dow Jones up 0.2%. Chip stocks rose, with Micron Technology and Intel up over 5%, AMD up over 4%, SanDisk and ASML up over 3%, and Western Digital and Qualcomm up over 1%.