Goldman Sachs is out this morning with several calls on solar stocks:

Upgrades

* Upgraded Applied Materials (AMAT) from Sell to Buy and added to their Conviction Buy List
* Upgrades Yingli Green Energy (YGE) from Neutral to Buy but cut price target from $20 to $9
* Upgrades Trina Solar (TSL) from Sell to Neutral but cuts price target from $24 to $12

Maintain

* Maintains Buy rating on Suntech Power (STP) but cuts price target from $62 to $38
* Maintains Neutral rating on LDK Solar (LDK) but lowers price target from $35 to $17
* Maintains Neutral rating on JA Solar (JASO) but cuts price target from $22 to $6
* Maintains Neutral rating on Solarfun Power (SOLF) but cuts price target from $17 to $7