Stock valuations are historically high, and are hovering near levels that have preceded big downturns including the 1987 crash and the dot-com plunge.

Americans' fears of the stock market crashing are skyrocketing as the economy remains uncertain and President Donald Trump's tariffs take effect, according to a report by predictive consumer data ...

With this week's U.S. attack on Iranian nuclear facilities in the rearview mirror, stock market analysts expect some calm before any storm over the next month or so. The CBOE Volatility Index (VIX)… ...

In total, Palantir stock has returned 695% since January 2024 and 2,000% since January 2023. However, Palantir is also the most expensive stock in the S&P 500, as measured by price-to-sales ratio.

“A stock market crash is a large percentage decline in the overall market in a very short period of time,” Kass says. “For example, on Oct. 19, 1987, the Dow Jones Industrial Average dropped ...