Premarket movers:
Mag 7 stocks are mostly higher ahead of the coming earnings deluge (某芯片公司 +1.5%, 某电商公司 +0.4%, 某社交媒体公司 +0.4%, 某电动车公司 +0.3%, 某科技公司 +0.2%, 某科技公司 little changed, 某科技公司 -0.2%).
Amkor Technology (AMKR) jumps 9% after the company gave an upbeat sales forecast