Tuesday, Merck Sharp &Dohme and Schering-released as a result of profit in excess of the expected good news, coupled with the signing of second-hand housing sales figures higher accident, the U.

• 周二，由于默沙东和先灵葆雅发布盈利超出预期的利好消息，加上二手房签约销售数字意外走高，美国股市强劲上扬。