UPDATE 2-ATM fee lawsuits against Visa, Mastercard, banks revived on appealBy Dena Aubin NEW YORK Aug 4 (Reuters) – A federal appeals court has revived litigation against Visa Inc, Mastercard Inc and several U.S. banks accusing them of conspiring to inflate the prices of ATM access fees in violation of antitrust law. In a decision on Tuesday, the U.S.