[U.S. stock storage concept stocks slightly up pre-market, Micron Technology rises 1.6%] Odaily Planet Daily reports, according to MSX.COM data, U.S. stock storage concept stocks slightly increased pre-market, Micron Technology (MU.O) rose 1.6%, SK Hynix (SKHY.O) rose 1.36%, SanDisk (SNDK.O) rose 1.13%, Seagate Technology (STX.O) and Western Digital (WDC.O) both rose 1.14%.