US STOCKS-S&P, Dow hurt by energy, banks; biotech boosts Nasdaq By: Reuters: Company News June 21, 2017 at 16:45 PM EDT * Healthcare is top S&P sector gainer, Biotech index up 4 pct Read More >> Related Stocks: AT&T Inc Biogen Idec Caterpillar Celgene Corp FedEx Corp Regeneron Pharmaceuticals