W Blair initiates COV (op) Key Research: Bernstein upgrades SAP & downgrades CSX, RBC upgrades AIV, Wells cuts BAH/MANT Key Research: BMO upgrades HSFT & initiates CRIS (op), GS downgrades CSOD & adds ACE to Conviction Buy List Key Research: Citi downgrades ISAT LN (sell) & initiates MTDR (neut) and