The Dow Jones Industrial Average <.DJI> was up 20.7 points, or 0.1 percent, at 19,876.23, helped by gains in Merck.

The S&P 500 <.SPX> was down 0.21 points, or 0.009256 percent, at 2,268.69 and the Nasdaq Composite <.IXIC> was up 2.02 points, or 0.04 percent, at 5,553.84.

(Reporting by Yashaswini Swamynathan in Bengaluru; Editing by Savio D'Souza)