NEW YORK ( TheStreet) -- Shares of the following stocks were upgraded to buy at TheStreet Ratings last week: Primerica ( PRI), Changyou.com ( CYOU), Giant Interactive Group ( GA), Concha Y Toro Winery ( VCO), Sotheby's ( BID), Siliconware Precision Industries ( SPIL), SS&C Technologies Holdings ( SSNC), Toyota ( TM), Valeant Pharmaceuticals ( VRX) and Johnson & Johnson ( JNJ).

Primerica was upgraded to buy from hold by TheStreet Ratings on Wednesday.

TheStreet Ratings gives Primerica a B- grade and $29.68 price target. The stock closed Thursday (markets were closed Friday in the U.S.) at $25.96 and has risen 11.7% year to date.

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Changyou.com was upgraded to buy from hold by TheStreet Ratings on Wednesday.

TheStreet Ratings gives Changyou.com a B- grade and $32.85 price target. The stock closed Thursday at $26.41 and is up 14.58% year to date.


Giant Interactive Group was upgraded to buy from hold by TheStreet Ratings on Wednesday.

TheStreet Ratings gives Giant Interactive Group an B- grade and $6.03 price target. The stock closed Thursday at $5.52 and has risen 35.29% year to date.

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Concha Y Toro Winery was upgraded to buy from hold by TheStreet Ratings on Wednesday.

TheStreet Ratings gives Concha Y Toro Winery a B grade and $53.78 price target. The stock closed Thursday at $45.46 and has risen 21.23% year to date.


Sotheby's was upgraded to buy from hold by TheStreet Ratings on Wednesday.

TheStreet Ratings gives Sotheby's a B grade and $45.93 price target. The stock closed Thursday at $38.62 and is up 35.37% year to date.

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Siliconware Precision Industries was upgraded to buy from hold by TheStreet Ratings on Wednesday.

TheStreet Ratings gives Siliconware Precision Industries a B grade and $6.92 price target. The stock closed Thursday at $5.89 and has risen 35.09% year to date.


SS&C Technologies Holdings was upgraded to buy from hold by TheStreet Ratings on Tuesday.

TheStreet Ratings gives SS&C Technologies Holdings a B- grade and $26.95 price target. The stock closed Thursday at $23.06 and has risen 27.69% year to date.

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Toyota was upgraded to buy from hold by TheStreet Ratings on Tuesday.

TheStreet Ratings gives Toyota a B grade and $100.28 price target. The stock closed Thursday at $83.86 and has risen 26.81% year to date.


Valeant Pharmaceuticals was upgraded to buy from hold by TheStreet Ratings on Tuesday.

TheStreet Ratings gives Valeant Pharmaceuticals a B grade and $84.55 price target. The stock closed Thursday at $54.76 and has risen 17.28% year to date.

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Johnson & Johnson was upgraded to buy from hold by TheStreet Ratings last Monday.

TheStreet Ratings gives Johnson & Johnson a B- grade and $75.70 price target. The stock closed Thursday at $65.34 and has fallen 24 cents, or 0.37%, year to date.

-- Written by Alexandra Zendrian

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