Ariad Pharmaceuticals (ARIA) was downgraded to market perform from outperform at JMP Securities. The valuation is less attractive, as the company is seeing lower prescription trends, JMP said.
Chesapeake Energy (CHK) - Get Report was upgraded to sector perform from underperform at RBC Capital. $8 price target. The company is cutting costs and can improve margins in the next several quarters, RBC said.
Time Warner (TWX) was upgraded to outperform from neutral at Wedbush. $105 price target. The stock is trading at a 19% discount to AT&T's offer, but the deal will likely go though, Wedbush said.
This article was written by a staff member of TheStreet.