Meet the Dow Jones' Top Performing Stock This Year. It's Climbed 2,300% Over the Past 5 Years, and Its Biggest Catalyst May Be Just Ahead.

The Dow Jones Industrial Average has soared this year, much like the other two major benchmarks, on investor optimism about an improving economy ahead. Investors counted on a lower interest rate environment, and they won their bet as the Federal Reserve began cutting rates this fall. Against this backdrop, growth stocks and big industrial players took off, and Dow Jones stocks from American Express to Caterpillar climbed in the double digits.But one stock in particular has advanced to the top of the Dow in ...