NEW YORK (TheStreet) -- CHANGE IN RATINGSBlackrock ( BLK) was initiated with an Overweight rating at JP Morgan. Equity and fixed-income ETF's can drive growth. Davita ( DVA) was started with an Overweight rating at JP Morgan, which set a $125 price target. HCP purchase positions the company well for potential future growth. Freeport-McMoran ( FCX) was upgraded from Hold to Buy at Deutsche Bank with a $40 price target. Stock appears oversold at current levels. Flir Systems ( FLIR) was upgraded from Neutral to Buy at Sterne Agee with a $30 price target. Company appears to be back on the path toward solid growth. Sandridge ( SD) was downgraded to Hold at Keybanc. Permian asset sale leaves questions about the company's remaining properties. Silgan ( SLGN) was downgraded from Neutral to Sell at Goldman Sachs. Valuation call, based on a $42 price target.