At least two economists think the Institute for Supply Management may have released faulty data. Stephen Stanley, chief economist at Pierpont Securities, said in a note to clients that ISM may have just applied the April seasonal adjustment to the raw May data -- he said the final reading would be 55.4%, not 53.2%, if the May adjustment was used. Lena Komileva of G Plus Economics tweeted a similar point. A message left with ISM wasn't immediately returned. (full story)