CHANGE IN RATINGS

Best Buy (BBY - Get Report) was downgraded from Outperform to Sector Perform at RBC Capital. $36 price target. Category trends are deteriorating.

Casey's General (CASY - Get Report) upgraded at BMO to Market Perform at BMO Capital. $105 price target. Company is cutting costs and should benefit from lower gas prices.

Deere (DE - Get Report) rated new Hold atSociete Generale. $79 price target. Near-term farm demand will likely remain challenging.

Five Below (FIVE - Get Report) was downgraded to Hold at Deutsche Bank. Valuation call, based on a $30 price target.

Springleaf (LEAF - Get Report) downgraded at BMO Capital from Outperform to Market Perform. Valuation call, based on a $55 price target.

Alliant Energy (LNT - Get Report) upgraded from Market Perform to Outperform at Wells Fargo. Company warrants a premium valuation and Riverside concerns have been overblown.

Nvidia (NVDA - Get Report) upgraded at Canaccord Genuity from Hold to Buy. $35 price target. Gaming GPU demand should drive growth.

Zoetis (ZTS - Get Report) was upgraded from Market Perform to Outperform at BMO Capital. $53 price target. Stock is down 20% since late June and have increased confidence in the company's long-term prospects.

STOCK COMMENTS / EPS CHANGES

Mylan (MYL - Get Report) estimates, target reduced at BMO. Shares of MYL now seen reaching $46. Estimates also cut, given uncertainty around financial trends. Market Perform rating.

Oracle (ORCL - Get Report) added to Conviction Buy List at Goldman. $47 price target. Valuation call, as the stock is down 17% year-to-date.

This article was written by a staff member of TheStreet.