Exxon Mobil signaled on Monday that lower oil and gas prices could cut its second-quarter earnings by about 1.5billionfromthepreviousquarter’slevel.TheearningssnapshotfromthelargestUSoilproduceriscloselywatchedforcluesonhowthebroaderoilsectorwillfarewhencompaniesbeginreleasingquarterlyresultsinafewweeks.BenchmarkBrentcrudeprices averaged66.71 per barrel during the April to June quarter, an 11% decline from the previous quarter, as more crude supply from the OPEC+ g ...