NEW YORK (TheStreet) -- RATINGS CHANGES

Aramark (ARMK) - Get Report was upgraded to outperform from neutral by Robert Baird, which set a $37 price target, citing valuation, as Baird said the company can expand margins.

Boston Scientific (BSX) - Get Report was downgraded to hold by TheStreet Ratings. You can view the full analysis from the report here: BSX Ratings Report.

Capital One (COF) - Get Report was upgraded to buy from hold by Argus, which cited valuation, based on a $92 price target.

Computer Sciences (CSC) was upgraded to buy by TheStreet Ratings. You can view the full analysis from the report here: CSC Ratings Report

Cytec Industries (CYT) was downgraded to sector weight from overweight by Keybanc said, which said the stock has moved above its prior price target of $73 following the previously announced acquisition by Solvay.

EV Energy Partners (EVEP) was downgraded to underperform from outperform by Credit Suisse, which set an $8 price target, saying that the company's current distribution payouts are at risk.

Legg Mason (LM) - Get Report was upgraded to overweight from equal-weight by Barclays, which cited valuation, based on a $57 price target.

Lincoln National (LNC) - Get Report was upgraded to overweight from equal-weight by Morgan Stanley, which set a $67 price target, saying that the company's earnings power is higher than analysts' expectations.

MaxPoint Interactive (MXPT) was downgraded to sector weight from overweight by Keybanc, which said that revenue uncertainties increase the stock's risk profile.

Merck (MRK) - Get Report was upgraded to outperform from market perform by BMO Capital, which set a $70 price target, saying that Merck's drug pipeline should drive strong future growth.

Microsoft (MSFT) - Get Report was upgraded to buy from hold by Stifel, which set a $55 price target, which said that Microsoft's commercial division can drive growth and improve margins.

Newmont Mining (NEM) - Get Report was upgraded to buy from hold by Deutsche Bank, which cited valuation, based on a $27 price target.

Qlik Technologies (QLIK) was upgraded to buy from hold by Deutsche Bank, which set a $50 price target, saying that recent checks with management suggest further upside.

Torchmark (TMK) was downgraded to underweight from equal-weight by Morgan Stanley, which set a $59 price target, citing valuation, as fundamentals appear to be deteriorating.