text_combined: competitive analysis update 10 us terrorism attacks market updates u markets us equity markets closed today may open friday nyse nasdaq amex officials reconvene later today decide restart chicago markets cbot cme closed early 1 00 pm cdt cbot electronic c e trading expected resume tonight grains resumption commodities consideration nymex still closed electronic access trading planned open later tonight start time still consideration equity news frightened travelers expected avoid planes carriers resume flying prompting standard poor consider cutting long term credit ratings u airlines british airways air canada would raise borrowing costs worsen industry least profitable year decade losses u airlines week predicted reach 2 6 billion may rival 4 8 billion loss 1992 europe four biggest airlines british airways deutsche lufthansa ag air france sa klm royal dutch airlines nv post full year loss due reliance profits trans atlantic market asia services u contribute 10 percent 20 percent revenue cathay pacific airways singapore airlines ltd 3 8 billion wiped market value airlines based hong kong singapore tokyo asian capitals two days plunge stocks reduced value asia eight biggest carriers 14 percent b transportation infrastructure updates air travel 145 domestic airports cleared reopen though logan international airport remain closed indefinitely despite federal aviation authority decision open u airspace commercial airplanes least regularly scheduled united airlines flights expected begin 7 p edt thursday scheduled flights american airlines twa 4 p edt delta air lines said limited operations would start sometime noon edt thursday continental canceled regularly scheduled flights day planned offer special service cities san francisco cleveland maritime transportation open including ny harbor individual vessels inspections escorts harbor c political updates indications beginning point substantial military strike bin laden assets afghanistan well taleban government lawrence b lindsey president chief economic adviser working getting basic infrastructure america running main thing world bank officials want cancel annual meeting conjunction international monetary fund slated sept 28 29 washington according media reports dc police also asked meetings cancelled world bank officials must wait treasury secretary neill make decision bank officials fear bush administration want meeting take place underscore washington back business usual