Top Pre-Market Stock Upgrades/Downgrades April 1, 2010

Here is a list of this morning’s top companies upgrades, downgrades, and initiations by brokerage firms. Upgrades: AnnTaylor Stores (ANN) upgraded to Hold from Underperform at Jefferies Legg Mason (LM) upgraded to Outperform from Perform at Keefe, Bruyette & Woods Millicom International Cellular (MICC) upgraded to Overweight from Neutral at JP Morgan; price target $110 National Instruments (NATI) upgraded [...]