NEW YORK (

TheStreet

) -- Shares of the following stocks were upgraded to buy at

TheStreet Ratings

last week:

Primerica

(PRI) - Get Primerica, Inc. Report

,

Changyou.com

(CYOU) - Get Changyou.com Ltd. Sponsored ADR Class A Report

,

Giant Interactive Group

(GA)

,

Concha Y Toro Winery

(VCO)

,

Sotheby's

(BID) - Get Sotheby's Report

,

Siliconware Precision Industries

(SPIL)

,

SS&C Technologies Holdings

(SSNC) - Get SS&C Technologies Holdings, Inc. Report

,

Toyota

(TM) - Get Toyota Motor Corp. Sponsored ADR Report

,

Valeant Pharmaceuticals

(VRX)

and

Johnson & Johnson

(JNJ) - Get Johnson & Johnson (JNJ) Report

.

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.

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.

Concha Y Toro Winery was upgraded to

buy from hold

by

TheStreet Ratings

TheStreet Recommends

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.

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.

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.

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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Alexandra Zendrian

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