[U.S. stock storage sector rises against the trend at market open, SK Hynix up over 6%] BlockBeats reports, on August 20, according to BIT (bit.com) market data, the U.S. stock storage sector rose against the trend at market open, with SK Hynix (SKHY.O) up over 6%, SanDisk (SNDK.O) up over 3%, and Micron Technology (MU.O) and Seagate Technology (STX.O) both up nearly 2%.