Americans' personal income shot up 1 percent last month while consumer spending advanced at a more restrained pace, boosting the savings rate to its highest level in nearly three years, the government said.

Personal income, helped by strong employment and wage growth, posted two straight solid gains, rising to an adjustedannual rate of $4.32 trillion in February.But when it comes to spending that money, consumers have been showing more restraint. Personal consumption expenditures rose 0.5 percent in February to an annual rate of $3.38 trillion after advancing 0.4 percent in January.