MIDEAST STOCKS-Qatar's FIFA panic short-lived; Saudi slips, tracking oil

* Most big losers in Qatar unrelated to soccer * GIS up 5.8 percent on drilling rig news * Dubai's Amlak surges in heavy trade * Egypt extends gains after improving PMI data By Olzhas Auyezov DUBAI, June 3 (Reuters) - Qatar's stock market closed nearly flat on Wednesday after a brief, panicked sell-off triggered by Sepp Blatter's surprise resignation from world soccer body FIFA. Dubai rose while other Gulf markets moved little. Blatter's decision to quit, just days after he was elected as FIFA p