Analysts' Actions: MSFT PCP TSLA VRTX ZNGA

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Harte-Hanks ( HHS) was upgraded to buy at TheStreet Ratings.

Microsoft ( MSFT) was upgraded at Nomura to buy. $38 price target. Shareholder activism could help unlock value, Nomura said.

Precision Castparts ( PCP) was upgraded at Wells Fargo to outperform from market perform. Company can deliver 15% annual earnings growth over the next several years, Wells Fargo said.

Regeneron ( REGN) was initiated with an outperform rating at Oppenheimer. $300 price target. Eylea should continue to grow and the company is expanding into DME, Oppenheimer said.

Santaurus ( SNTS) was downgraded at Leerink Swann to market perform from outperform. $26 price target. Valuation call, as the company trades at a sizable premium to its peers, Leerink Swann said.

Sempra Energy ( SRE) was initiated with a buy rating at Keybanc. $100 price target. Company has a strong growth profile, including exposure to Latin America, Keybanc said.

Speedway Motorsports ( TRK) was downgraded to hold at TheStreet Ratings.

Tesla ( TSLA) was initiated with a hold rating at Stifel Nicolaus. Valuation call, as the company still has little evidence of customer retention or success at lower price points, Stifel Nicolaus said.

Vertex ( VRTX) was initiated with an outperform rating at Oppenheimer. $105 price target. Cystic Fibrosis treatments can continue to drive growth, Oppenheimer said.

Zynga ( ZNGA) was initiated with a hold rating at Benchmark. $2.98 price target. New management needs to show stabilized Web trends and material mobile acceleration, Benchmark said.

Stock Comments / EPS Changes

American Eagle ( AEO) numbers were cut at BMO Capital. Estimates were reduced through 2014. Management cut guidance, BMO Capital said. Market Perform rating and new $15 price target.

Best Buy ( BBY) numbers were increased at UBS. Estimates were boosted through 2015. Domestic business is positioned well, ahead of the holidays, UBS said. Neutral rating and new $35 price target.

Hewlett-Packard ( HPQ) numbers were reduced at BMO Capital. Shares are now seen reaching $27. Estimates were also cut, given lower operating growth, especially in the enterprise segment, BMO Capital said. Market Perform rating.

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