RATINGS CHANGES

Alcoa (AA) - Get Report was initiated with a sell rating at Deutsche Bank. $26 price target. The valuation is less attractive, as the stock is up 31% in the past month, Deutsche said. 

Cerner (CERN) - Get Report was downgraded to market perform from outperform at Leerink Partners. $50 price target. Earnings estimates were also lowered, as the company is facing several macro headwinds, Leerink said. 

Deere (DE) - Get Report was upgraded to buy from neutral at Bank of America/Merrill Lynch. $124 price target. The valuation is more attractive, as 2017 guidance appears conservative, analysts said. 

International Paper (IP) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: IP.

Quintiles (Q) was downgraded to market perform from outperform at William Blair. Earnings estimates were also reduced, as the legacy business is a drag on earnings, Blair said. 

Semtech (SMTC) - Get Report was upgraded to outperform at Oppenheimer. $36 price target. Earnings estimates were also increased, given the company's new guidance, Oppenheimer said. 

This article was written by a staff member of TheStreet.