Chip stocks from AMD to Micron, Intel, the ADRs of SK Hynix and stocks of Sandisk and Western Digital fell between 5.5% to as much as 13.5% overnight. Shares of Micron are down 13% over the last two sessions, while those of Sandisk, Western Digital and the ADRs of SK Hynix are down between 20% to 22% across Wednesday and Thursday.