[Storage chip stocks rise broadly pre-market in U.S. stocks, SanDisk up about 6%] BlockBeats reports, on August 17, according to BIT (Bit.com) market data, U.S. stock pre-market trading shows storage chip stocks broadly rising, with SanDisk up about 6%, SK Hynix up about 4%, Western Digital up about 4%, Seagate Technology up about 3%, and Micron Technology up about 3%.