Allegheny Technologies Inc. (NYSE: ATI) Raised to Buy at BofA/Merrill Lynch. American Dairy Inc. (NYSE: ADY) Cut to Hold at Roth Capital. BorgWarner Inc. (NYSE: BWA) Cut to Hold at Deutsche Bank. CTC Media, Inc. (NASDAQ: CTCM) Raised to Overweight at Morgan Stanley. DigitalGlobe Inc. (NYSE: DGI) Cut to Hold at Canaccord. eResearch Technology (NASDAQ: ERES) Cut to Sell at Benchmark. Northrop Grumman Corp. (NYSE: NOC) Cut to Market Perform at FBR. NVIDIA Corporation (NASDAQ: NVDA) Maintained Neutral at Gleacher & Co. Popular, Inc. (NASDAQ: BPOP) Started as Overweight at Morgan Stanley. Royal Bank of Scotland Group plc (NYSE: RBS) Cut to Neutral at Credit Suisse.