US STOCKS-Wall St mixed as earnings offset merger news
* Yahoo, Chipotle, Yum to report after the close
* Mylan shares up 9 pct after Teva bid
* Dow off 0.4 pct, S&P down 0.15 pct, Nasdaq up 0.4 pct (Updates to midday, adds comment, updates prices)
By Tanya Agrawal
April 21 (Reuters) - U.S. stocks ticked lower on Tuesday, with the Dow industrials weighed by companies reporting earnings while the Nasdaq gained on the back of a proposed merger in the biotech sector.
Travelers, DuPont and IBM weighed the most on the Dow industrials. DuPont reported lower sales in all of its businesses and said a strong dollar would take a toll on its full-year earnings. IBM also mentioned currency effects when it reported a fall in revenue late on Monday.
Dupont was down 2.6 percent at $70.92 and IBM fell 1 percent to $164.41.
"I think the market has just written off the first-half of the year," said Aaron Jett, vice president of global equity research at Bel Air Investment Advisors in Los Angeles.
"We're just waiting for the dust to settle with the strong dollar and the oil prices and nobody really knows what the effects will be." Continuación...