how Wall St analyst work: BoA downgrade solars on 2/27!

http://www.streetinsider.com/Special+Reports/Notable+Analyst+Rating+Changes+227:+THC,+XLNX,+HWAY+Upgraded%3B+JASO,+SOLF,+YGE,+TSL,+ABX+Downgraded/3406445.html

Notable Analyst Rating Changes 2/27: THC, XLNX, HWAY Upgraded; JASO, SOLF, YGE, TSL, ABX Downgraded

Bank of America downgrades Trina Solar (NYSE: TSL) to Sell, JA Solar (Nasdaq: JASO) to Neutral, Solarfun (Nasdaq: SOLF) to Sell and Yingli Green Energy (NYSE: YGE) to Neutral.