If you rely on postmarks when casting your ballot, filing your taxes or paying bills, a new US Postal Service rule makes it clear that you should plan ahead.

The U.S. Postal Service (USPS) implemented new procedures for dating mail on Dec. 24, postmarking letters and packages with ...

The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.

Stimulus is a JavaScript framework with modest ambitions. It doesn't seek to take over your entire front-end—in fact, it's not concerned with rendering HTML at all. Instead, it's designed to augment ...

“Ex-post” is a term used by actuaries to describe an asset’s historical returns. Ex-post, a word for actual returns, refers to things that happen or are analyzed after a certain event has occurred. Ex ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Data as of May. 31 at 7:11 p.m. The Beijing Winter Olympics ended Feb. 20 after 15 full days of competition. Medals were awarded in 109 events across seven sports. The United States finished fifth in ...