Do you need a broker to buy stocks? Find out how to start investing without one, from DIY platforms to robo-advisors -- plus ...

Should you buy the dip? Is it a good time to buy the beaten-up tech sector? Should you stay defensive?

CNBC Jim Cramer says long-term investors must steel themselves as the stock market tanks on Trump’s sweeping tariff announcement.

"If a company generates more cash than it needs to run its business, it can do a number of useful things with it, such as pay dividends, buy back its stock, acquire other companies, expand its ...