Change in Ratings

Apple (AAPL - Get Report) upgraded at Maxim: AAPL was upgraded from Hold to Buy, Maxim Group said. $167 price target. Company trades at a 40% discount to the market and iPhone margins should remain strong.

American Electric (AEP - Get Report) downgraded at Credit Suisse: AEP was downgraded from Outperform to Neutral, Credit Suisse said. $62 price target. Consensus estimates appear too high.

Applied Materials (AMAT - Get Report) downgraded at Citi: AMAT was downgraded to Neutral, Citigroup said. Company is facing increased competition and will likely see lower foundry/DRAM equipment sales.

Cabela's (CAB) upgraded at Goldman: CAB was upgraded from Sell to Neutral, Goldman Sachs said. Valuation call, based on a $37 price target.

Cabela's downgraded at Wells: CAB was downgraded from Outperform to Market Perform, Wells Fargo said. Company lacks near-term catalysts.

Equifax (EFX - Get Report) upgraded at Stifel: EFX was upgraded from Hold to Buy, Stifel said. $120 price target. Veda acquisition should boost earnings.

FireEye (FEYE - Get Report) downgraded at Wedbush: FEYE was downgraded from Outperform to Neutral, Wedbush said. $32 price target. Company is facing increased competition.

GNC (GNC - Get Report) downgraded at Sterne Agee: GNC was downgraded from Buy to Neutral, Sterne Agee CRT said. $38 price target. AG lawsuit adds risk to the model.

Mead Johnson (MJN) downgraded at Credit Suisse: MJN was downgraded from Outperform to Neutral, Credit Suisse said. $86 price target. Estimates also cut, as the company is facing a transition year in 2016.

Microsoft (MSFT - Get Report) upgraded at BofA/Merrill: MSFT was upgraded from Neutral to Buy, Bank of America/Merrill Lynch said. $63 price target. Margins are at a turning point.

Nasdaq (NDAQ - Get Report) downgraded at Wells: NDAQ was downgraded to Market Perform from Outperform, Wells Fargo said. Valuation call, as the stock has been a consistent outperformer.

Pandora (P) downgraded at MKM: Rating on P was downgraded from Buy to Neutral, MKM Partners said. $14 price target. Company is facing increased competition.

Pandora downgraded at Oppenheimer: Rating on P was cut from Outperform to Perform, Oppenheimer said. Company is facing increased competition, which is hurting margins.

Pandora downgraded at Pacific Crest: Rating on P was lowered from Overweight to Sector Weight, Pacific Crest said. Ad sales business is showing deteriorating leverage.

Plexus (PLXS - Get Report) downgraded at Goldman: PLXS was downgraded to Neutral, Goldman Sachs said. $41 price target. Company is leveraged to slower macro growth.

Stericycle (SRCL - Get Report) downgraded at Baird: SRCL was downgraded from Outperform to Neutral, Robert Baird said. $130 price target. Company is seeing slower growth in multiple areas.

Stericycle downgraded at Oppenheimer: SRCL was downgraded from Outperform to Perform, Oppenheimer said. Company is seeing lower hazardous waste demand from energy customers.

USG (USG) downgraded at Jefferies: USG was downgraded from Buy to Hold, Jefferies said. Company is facing pricing pressure in wallboard and ceilings. $27 price target.

Stock Comments / EPS Changes 

Amazon (AMZN - Get Report) estimates, target raised at JMP: Shares of AMZN now seen reaching $740, according to JMP Securities. Estimates also increased, given the company's new guidance. Outperform rating.

Activision-Blizzard (ATVI - Get Report) numbers boosted at Sterne Agee. Shares of ATVI now seen reaching $39, according to Sterne Agee CRT. Estimates also upped, as the company's new releases should drive higher sales. Buy rating.

Google (GOOGL - Get Report) estimates, target upped at BMO: GOOGL estimates were boosted through 2016, BMO Capital said. Company is realizing higher margins and buying back more stock. Outperform rating and new $825 price target.

Juniper (JNPR - Get Report) estimates, target boosted at Jefferies: Shares of JNPR now seen reaching $33, according to Jefferies. Estimates also upped, given the company's new guidance. Hold rating.

Lifepoint (LPNT) cut from Conviction List at Goldman: LPNT was removed from the Conviction Buy list, according to Goldman Sachs. See higher risks to near-term earnings. $87 price target.

Southwest (LUV - Get Report) estimates, target increased at Credit Suisse: LUV estimates were raised through 2017, Credit Suisse said. Company can continue to boost unit revenue growth. Outperform rating and new $56 price target.

McDonald's (MCD - Get Report) estimates, target raised at Jefferies: Shares of MCD now seen reaching $100, according to Jefferies. Estimates also increased, as the company is seeing higher sales. Hold rating.

Wabco (WBC - Get Report) cut from Conviction Buy List at Goldman: WBC was removed from the Conviction Buy list, according to Goldman Sachs. $126 price target. Estimates also cut, given lower expected margins.

This article was written by a staff member of TheStreet.