NEW YORK (TheStreet) -- RATINGS CHANGES

ANN (ANN) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: ANN Ratings Report.

Alibaba (BABA) - Get Report was upgraded at Stifel to buy from hold. Twelve-month price target is $99. Regulatory risks have subsided and the valuation is attractive relative to Amazon (AMZN) - Get Report, Stifel said.

BJ's Restaurants (BJRI) - Get Report was upgraded at Wedbush to outperform from neutral. Company can reaccelerate back up toward sustainable 20% earnings growth, Wedbush said.

Salesforce.com (CRM) - Get Report was initiated with a hold rating at Brean Capital. Valuation call, based on a 12-month price target of $70.

Facebook (FB) - Get Report was initiated with a buy rating at Brean Capital. Twelve-month price target is $96. Company can take significant market share in emerging markets, Brean Capital said.

FutureFuel (FF) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: FF Ratings Report.

Charles Schwab (SCHW) - Get Report was upgraded at JMP Securities to outperform from market perform. Company is leveraged to rising interest rates, JMP Securities said.

Sirona Dental (SIRO) was downgraded at William Blair to market perform. Valuation call, as the company is already trading at a price-to-earnings ratio of more than 21, based on 2015 earnings estimates, William Blair said.

Trimas (TRS) - Get Report was downgraded at Keybanc to sector weight from overweight. Company will likely be hurt by domestic growth headwinds, Keybanc said.

Twitter (TWTR) - Get Report was initiated with a buy rating at Brean Capital. Twelve-month price target is $61. Company is developing new products and improving the user experience, Brean Capital said.

PG&E (PCG) - Get Report was downgraded at Morgan Stanley to equal-weight. Valuation call, based on a 12-month price target of $55.

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This article was written by a staff member of TheStreet.