The US economy showed a solid expansion in the first quarter of the year. According to the Commerce Department, the growth rate was 2.1% from January to March. This rate is an upgrade from a previous estimate.

The growth is measured by the gross domestic product, which includes the output of goods and services. It marks a rebound from a slower period.

Further details on the economy's performance are available from the Commerce Department's report, which was released on Thursday. For more information, readers can visit the source for a full update on the US economy's first-quarter growth.