Investors Should Embrace Stock-Market Volatility While It Lasts

It sounds simple. Buy stocks when there's news that the U.S. and China are making headway in resolving the escalating trade war. Sell them when the divide seems to be growing. But the problem for markets these days is that it appears as if every positive development seems to be followed closely by a negative one, sometimes within hours, and investors are having a hard time keeping up with the rapid-fire developments.