 Shares of Autodesk Inc. ADSK, -1.19 dropped 3.0 in premarket trading Monday, after they were downgraded at Deutsche Bank ahead of the design software companys first-quarter earnings report due out later this week. Analyst Bhavin Shah cut his rating to hold from buy and slashed his stock price target to 225 from 275, following conversations with platinum partners that indicated the earnings report would be mixed. 