Bollcoin reported on October 19 that in pre-market US trading, the memory sector was broadly higher, with Micron Technology (MU.O) up 2.40%, SanDisk (SNDK.O) up 3.64%, SK Hynix (SKHY.O) up 3.60%, and Western Digital (WDC.O) and Seagate Technology (STX.O) up more than 2%.