Consumer purchases unexpectedly stalled in April as Americans used income gains to shore up savings, raising the risk the biggest part of the economy may take time to gain momentum after a slow start to the year. The unchanged reading in purchases followed a 0.5 percent gain the prior month that was larger than previously estimated, Commerce Department figures showed Monday in Washington. The median forecast in a Bloomberg survey of 79 economists called for a 0.2 percent rise. Earnings increased 0.4 percent, more than projected, and the saving rate climbed. Consumers, who’ve been using the money freed up by low ... (full story)