This morning Think Equity has upgraded JA Solar JA Solar (JASO) from Hold to Buy and upgraded Suntech Power (STP) from Sell to Hold.  JASO is moving up 2% in premarket trading while STP is down a bit.  Get a free trend analysis for JASO and STP.

On  the LED front Merriman Curhan Ford is reiterating its Buy rating on Veeco Instruments and raised the price target range about 30% to $54-66.   Says Merriman, “We expect Veeco to report 1Q10 upside on its April 26 earnings call. While the LED business is seeing robust strength and is largely understood by investors, we believe investors are overlooking strength in the HDD business.” Get a free trend analysis for VECO here.  Shares of VECO are not moving premarket.