U.S. economy grows at annualized 6.4 pct in Q1 amid vaccine rollout, fiscal support

A man rides a bicycle past the U.S. Commerce Department in Washington, D.C., the United States, on April 29, 2021. The U.S. economy grew at an annual rate of 6.4 percent in the first quarter of 2021, the U.S. Commerce Department reported Thursday. (Xinhua/Liu Jie)