Analysts at Deutsche Bank downgraded Alterra Capital Holdings (NASDAQ: ALTE ) from “buy” to “hold.” Alterra Capital's shares closed at $28.18 yesterday. Alterra Capital's trailing-twelve-month ROA is 1.51%. Analysts at Goldman Sachs downgraded Silgan Holdings (NASDAQ: SLGN ) from “neutral” to “sell.” Silgan Holdings' shares closed at $42.70 yesterday.