In addition to financials, Merck &Co. dragged on the Dow, falling $1.85, or 4.8 percent, to $36.60. A UBS analyst downgraded the drug maker, citing slowing sales of its HPV treatment Gardasil.

• 除金融产业外，默克公司也拖累了道指，其下跌了1.；85美元，跌幅为4