It was a big reversal: Federal Reserve officials pivoted last month toward keeping interest rates on hold, and now minutes of their meeting may shed light on just how long. The Federal Open Market Committee pledged in its January statement to “be patient’’ on the timing of future rate “adjustments.” That backed away from the “some further gradual increases’’ it highlighted in December and left open whether the next move is up or down. Minutes of the Jan. 29-30 meeting are scheduled to be released at 2 p.m. in Washington. “I really want them to define patience a little more systematically’’ in terms of what data would ... (full story)