General Motors dropped nearly 3% in premarket trading after the autonomous-driving leader's departure announced<blockquote>自动驾驶领导者宣布离职后,通用汽车盘前交易下跌近3%</blockquote>
Novartis jumped over 3% in premarket trading as it launched new shares buyback of up to $15 bln<blockquote>诺华启动高达150亿美元的新股回购,盘前交易中股价上涨超过3%</blockquote>