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 … Read the rest