Sterne Agee upgraded Ross Stores (NASDAQ:

) from “neutral” to “buy.” The target price for Ross Stores has been raised from $72 to $75. Ross Stores' shares closed at $63.53 yesterday. Analysts at Canaccord Genuity upgraded Spreadtrum Communications (NASDAQ:

) from “hold” to “buy.” The price target for Spreadtrum Communications has been raised from $24 to $29. Spreadtrum's stock closed at $18.95 yesterday. Analysts at Goldman Sachs upgraded International Paper Company (NYSE:

) from “neutral” to “conviction buy.” The target price for International Paper has been raised from $50 to $55. International Paper's shares closed at $44.03 yesterday. Societe Generale upgraded BlackBerry (NASDAQ:

) from “sell” to “buy.” BlackBerry's shares closed at $13.56 yesterday.