MarketWatch報道稱，GE醫療和美敦力的下行期權建議源於此前押注兩隻股票上漲的倉位過度集中。引述“新建議包括押注GE醫療和美敦力的股票將下跌，因為此前押注股票上漲的交易已經過多。”— MarketWatch來源These stocks in the red-hot healthcare sector have gotten too crowded to ownMarketWatch