US stock markets settled lower on Tuesday, as weakness in drug and financial shares put the S&P 500 and the Dow Jones Industrial Average on pace to register their first consecutive declines in more than a month.

The Dow Jones Industrial Average fell 29.58 points or 0.14 percent to settle at 20,924.76. NASDAQ 100 index declined 9.03 points or 0.17 percent to close at 5,351.28. The broader S&P 500 index fell 6.93 points or 0.29 percent to end at 2,368.38.