Top Pre-Market Stock Upgrades/Downgrades April 19, 2010

Here is a list of this morning’s top companies upgrades, downgrades, and initiations by brokerage firms. Upgrades: Delta Air Lines (DAL) upgraded to Overweight from Neutral at JP Morgan; price target $18.50 from $14 Endo Pharmaceuticals (ENDP) upgraded to Buy from Neutral at Goldman JA Solar (JASO) upgraded to Buy from Hold at ThinkEquity Southwest Air Lines (LUV) upgraded [...]