However, the data may be distorted, as automakers postponed annual closures for retooling in order to be able to respond to a strong demand, which is a positive sign for the U.S. economy.
"It seems like the Labor Department is pretty adamant that this is more of a wonky seasonal adjustment than something we need to put too much stock in," said Michael Hanson, U.S. economist at Bank of America-Merrill Lynch. "The underlying trend in claims is probably still in the 370,000 range."