Light Reading :: Lost: $3.8 billion — no wait, make that $7.1 billion. WorldCom Inc. announced late last night that during its internal investigation of its accounting for the last three years it found an additional $3.3 billion that had been wrongly accounted for. And yes, that%u2019s in addition to the $3.8 billion we already knew about (see WorldCom Misplaces Another $3.3B ).