These two numbers explain volatile stocks, another storm for Dow

The CBOE Volatility Index and U.S. Treasury and bond yields indicate trouble ahead.

Investors worry as the Dow Jones Industrial Average plunges as much as 550 points. But stock market experts judge the market by two other financial indicators, including the CBOE Volatility Index, which shows volatility in the markets.

In this article on Phoenix Business Journal Feb. 8, 2018:

U.S. Treasury and bond yields are also a key barometer for stocks.&nbsp

— Clinical Associate Professor of Finance Geoffrey Smith.