Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies ...

The VIX index, also known at the Wall Street fear gauge, measures the market's estimate of expected volatility in the S&P 500 stock index.. When the VIX has spiked to a level above 40 ...

Stock volatility spiked in early April after President Donald Trump announced unexpectedly high country-specific tariffs, and the S&P 500 sold off almost 11% in two days.

Humana Inc. (NYSE:HUM) saw its share price drop to a 52-week low of $212.33, reflecting a steep 42.3% decline over the past ...

A sharp drop in volatility suggests the weekslong stock market sell-off may be over. A decline in the VIX below 30 after surging above 50 indicates a "bear killer" signal, a technical analyst says.