NEW YORK (TheStreet) -- CHANGE IN RATINGS

Apollo Investment

(AINV) - Get Report

was initiated with a buy rating at UBS. $10 price target. Still a cut above other BDCs, UBS said.

Axiall

(AXLL)

was initiated with a neutral rating at Citigroup. $60 price target. Valuation call, as the stock is already up 35% year to date, Citi said.

Charter Communications

(CHTR) - Get Report

was initiated with a neutral rating at Nomura. Valuation call, based on an $85 price target, Nomura said.

eBay

(EBAY) - Get Report

was initiated with an outperform rating at BMO Capital. $64 price target. Company should continue to deliver solid growth, BMO said.

Edison

(EIX) - Get Report

was upgraded at BMO Capital from market perform to outperform. $56 price target. Company is seeing higher rates and cutting CapEx spending, BMO Capital said.

Exceed Company

(EDS)

was upgraded to hold at TheStreet Ratings.

Groupon

(GRPN) - Get Report

was downgraded at Wells Fargo to market perform. Company's business model is changing for the worse, Wells Fargo said.

Groupon was downgraded to underperform at Bank of America/Merrill Lynch. $4.20 price target. Company is realizing lower margins, BofA/Merrill said.

Heico

(HEI) - Get Report

was downgraded at Bank of America/Merrill said. $47 price target. Estimates also cut, as the company is seeing lower margins, BofA/Merrill said.

OGE Energy

(OGE) - Get Report

was downgraded at Jefferies from buy to hold. $59 price target. Management cut its volume guidance, Jefferies said.

Riverbed

(RVBD)

was downgraded at Sterne Agee from buy to neutral. CFO is stepping down, which adds risk to the model, Sterne Agee said.

Boston Beer

(SAM) - Get Report

was downgraded at Williams Capital from outperform to perform. Valuation call, based on a $160 price target, Williams said.

Pall Corp.

(PLL) - Get Report

was downgraded to hold at TheStreet Ratings.

Saks

(SKS)

was downgraded at Morgan Stanley from equal-weight to underweight. $10 price target. Company is seeing higher operating costs, Morgan Stanley said.

VMWare

(VMW) - Get Report

was initiated with a hold rating at Stifel Nicolaus. 2013 will likely be a transition year for the company, Stifel Nicolaus said.

Vitamin Shoppe

(VSI) - Get Report

was downgraded at Bank of America/Merrill Lynch. $55 price target. Company may be facing increased competition, BofA/Merrill said.

Whiting Petroleum

(WLL) - Get Report

was downgraded at UBS to neutral from buy. $51 price target. Disappointing capex, UBS said.

STOCK COMMENTS/EPS CHANGES

Biogen Idec

(BIIB) - Get Report

numbers were boosted at Bank of America/Merrill Lynch. Shares are now seen reaching $177. Estimates were also increased, given higher expect multiple sclerosis sales. Neutral rating.

Express Scripts

(ESRX)

numbers were increased at Citigroup. Estimates were boosted through 2014. Company is keeping a tight lid on costs, Citi said. Buy rating and new $64 price target.

JC Penney

(JCP) - Get Report

numbers were reduced at Citi. Shares are now seen reaching $22. Estimates were also cut, as lower sales continue to cut into margins, Citi said. Buy rating.

Range Resources

(RRC) - Get Report

numbers were raised at BMO Capital. Shares are now seen reaching $84. Estimates were also increased, as the company is realizing higher production growth, BMO Capital said. Outperform rating.

Sunpower

(SPWR) - Get Report

estimates, price target were upped at Citigroup. Company should see growth through Japan and joint ventures, Citi said. Buy rating and new $16 price target.

Verisk Analytics

(VRSK) - Get Report

numbers were increased at Credit Suisse. Estimates were raised through 2014. Revenue growth continues to accelerate, Credit Suisse said. Outperform rating and new $63 price target.

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This article was written by a staff member of TheStreet.