S&P, Dow rise on health stocks; Nasdaq weighed by Comcast

The S&P 500 and the Dow were back in positive territory as healthcare stocks outdid a drag from consumer discretionary stocks. The S&P 500 healthcare index rose 1.15 percent, on track for its best day in six weeks, riding on strong results and forecast from Bristol-Myers and Celgene. The two drugmakers were the top boosts on the S&P 500.