U.S. economic activity expanded, several regions see pickup in wage growth: Fed

By Lindsay Dunsmuir WASHINGTON (Reuters) - The U.S. economy continued to expand from late February to early April and low unemployment appears to be spurring an uptick in wage growth, the Federal Reserve said on Wednesday. The Fed has signaled caution in lifting interest rates this year as it waits to see if the nation's economy can shrug off slowing global growth and risks posed by a strong dollar and sustained period of low oil prices. Consumer spending increased only modestly in most district