U.S. consumer credit fell by $0.188 billion in May, compared with the consensus expecting a $17.5 billion increase and a $20.82 billion increase in April, according to data released by the Federal Reserve on Wednesday. Total consumer credit was essentially unchanged on a seasonally adjusted basis. Revolving credit declined at an annual rate of 4.7% in May, while non-revolving credit, such as student and auto loans, rose at an annual rate of 1.6%.