Dow, S&P 500 end down; Nasdaq gains with biotechs | Reuters - Firstpost

Dow, S&P 500 end down; Nasdaq gains with biotechs | Reuters Firstpost NEW YORK (Reuters) - The Dow and S&P 500 ended lower on Tuesday after a handful of uninspiring earnings reports, while the Nasdaq rose to near its record high following a proposed biotech merger. Based on the latest available data, the Dow Jones ... and more »