[Dow Jones and S&P 500 Hit Record Highs at U.S. Market Close This Morning, SK Hynix Up 8%, SpaceX Up 9.4%] BlockBeats News, August 5: On Tuesday, U.S. stock markets closed with the Dow Jones Industrial Average preliminarily up 1.7%, the S&P 500 Index up 1.73%, and the Nasdaq up 2.59%, with the first two hitting all-time highs. SK Hynix (SKHY.O) rose 8%, Micron Technology (MU.O) gained 7.6%, SanDisk (SNDK.O) surged 10.8%, NVIDIA (NVDA.O) climbed over 2%, and SpaceX (SPCX.O) jumped 9.4%.