The stock market is open for business between 9:30 a.m. and 4 p.m. Monday to Friday. Billions of shares are traded in the American markets, making them very liquid and efficient.

Every beginner investor secretly hopes they'll be the one to break the code and find that obscure startup just before it ...

U.S. stock futures rise as investors evaluate new tariff proposals, McDonald's reports declining U.S. comparable sales as its ...

U.S. stock futures rose Monday, as investors digest tariffs, inflation and earnings. President Donald Trump said he would ...