 MongoDB Inc. MDB, -2.38 shares fell more than 6 in late trading Wednesday, after the cloud-database companys executives reduced their full-year earnings target and disappointed Wall Street with third-quarter guidance. MongoDBs second-quarter results beat expectations, coming in at a loss of 118.9 million, or 1.74 a share, on revenue of 303.7 million, up from 198.7 million a year ago. 