Benzinga's Top Upgrades (AFFY, SPPI, ARAY, NSC)

Affymax Inc (NASDAQ: AFFY) was upgraded by Auriga from "hold" to "buy." AFFY's shares closed at $6.61 yesterday. Affymax's trailing-twelve-month revenue is $138.75 million.

Capstone upgraded Spectrum Pharmaceuticals Inc (NASDAQ: SPPI) from “hold” to “buy.” SPPI's shares closed at $7.58 yesterday. SPPI's trailing-twelve-month revenue is $48.79 million.

Soleil upgraded Accuray Incorporated (NASDAQ: ARAY) from “sell” to “buy.” ARAY's shares closed at $8.40 yesterday. Accuray's trailing-twelve-month revenue is $206.04 billion.

Analysts at RBC Capital upgraded Norfolk Southern Corp (NYSE: NSC) from “sector perform” to “outperform.” NSC's shares closed at $64.95 yesterday. Norfolk Southern's PEG ratio is 0.97.

More Analyst Ratings here