WASHINGTON (MarketWatch) -- The U.S. government ran a budget deficit of $125 billion in May, the Treasury Department said Tuesday, pushing the deficit to $844 billion for the first eight months of fiscal 2012. In its monthly budget statement, the Treasury said the government spent $305 billion in May, 31% above the year-ago period. Receipts rose 3%, to $181 billion, the second-highest amount on record for May.