Take a look at some of Monday's midday movers:
S&P 500 health care sector was the strongest large-cap sector led by Gilead Sciences and Boston Scientific. Gilead Sciences price target was upped to $63 from $59 at UBS.
S&P 500 utilities sector was the worst performer, led lower by AES Corp. and Exelon.
Retail sales in April were better-than-expected, up 0.1 percent, according to the U.S. Commerce Department. Retailers including JCPenney and Nordstrom were higher, while Macy's was lower.