The Dow Jones index falls Thursday as oil prices jump. Micron stock plunges despite strong earnings.

A swift and sudden downdraft in global stocks is raising concern among ordinary investors about the impact on their portfolios and 401(k) plans. The S&P 500 slid 160 points, or 3%, to 5,186 on Monday, ...

Right now, actually, could be a very good time to invest.

The Dow and Nasdaq fell, while the S&P 500 was flat after the stock market reacted to the delayed January jobs report on Wednesday.

Palantir’s stock has delivered massive gains since its market debut in 2020. Its revenue growth is accelerating, and its profits are soaring. It could continue to outperform the S&P 500 over the next ...