[Most major U.S. tech stocks rise pre-market, SK Hynix down 0.8%] BlockBeats reports, on August 13, according to BIT (Bit.com) market data, most major U.S. tech stocks rose pre-market, SpaceX up 0.4%, Meta, Amazon, Micron Technology, Google A up 0.2%, Apple up 0.1%, Tesla and NVIDIA unchanged, Microsoft down 0.4%, SK Hynix down 0.8%.