NEW YORK (TheStreet) -- RATINGS CHANGES

American Airlines (AAL) was upgraded to buy from hold at Deutsche Bank. $50 price target. This is an attractive entry point compared to the price target, Deutsche said.

Alkermes (ALKS - Get Report) was upgraded to overweight from underweight at Morgan Stanley. $85 price target. A late-stage depression drug should drive near-term upside, said Morgan Stanley. 

Infoblox (BLOX) was upgraded to outperform from market perform at William Blair. The stock has pulled back to an attractive level and management can likely exceed near-term guidance, said William Blair. 

Copa Holdings (CPA - Get Report) was upgraded to buy from hold at Deutsche Bank. $65 price target. This is an attractive entry point compared to the price target, said Deutsche.

Delta Air Lines (DAL - Get Report) was upgraded to buy from hold at Deutsche Bank. $50 price target. This is an attractive entry point compared to the price target, Deutsche said.

Endo (ENDP - Get Report) was downgraded to equal-weight from overweight at Morgan Stanley. $85 price target. The company has limited long-term growth visibility, said Morgan Stanley. 

Freeport-McMoran (FCX - Get Report) was downgraded to neutral from buy at Citigroup. $12 price target. The copper supply will likely remain high, Citi said. 

First Solar (FSLR - Get Report) was initiated with an overweight rating at Barclays. $71 price target. The company has a strong balance sheet and can post robust international growth, Barclays said. 

INC Research (INCR) was upgraded to buy from hold at Jefferies. $51 price target. The stock has pulled back to an attractive level and the company can average 21% earnings growth over the next three years, Jefferies said. 

Roka Bioscience (ROKA) was initiated with a sell rating by TheStreet Ratings. You can view the full report here: ROKA Ratings Report.

Sally Beauty Holdings (SBH - Get Report) was downgraded to hold at TheStreet Ratings. You can view the full report here: SBH Ratings Report.

Scientific Games (SGMS - Get Report) was upgraded to hold from sell at Deutsche Bank. $10 price target. Risk-reward is more balanced here, said Deutsche.

Willis (WSH) was downgraded to hold by TheStreet Ratings. You can view the full report here: WSH Ratings Report.

Stock Comments / EPS Changes

Monsanto (MON) estimates and target price were cut at Credit Suisse. Shares are now seen reaching $126, according to Credit Suisse. Estimates also reduced, given a lower global agriculture outlook. Credit Suisse still gives the company an outperform rating.   

This article was written by a staff member of TheStreet.