Does Bill Ackman Know Something That Wall Street Doesn't? The Billionaire Is Piling Into a Stock That Analysts Recommend Selling, but That Ackman Thinks Will Soar 306%.

Bill Ackman's fund, Pershing Square Capital Management, owns less than a dozen stocks, so when the fund takes a new position, the market pays close attention. Ackman rose to fame as an activist short-seller, making large bets against companies and doing everything in his power to make his case known. Over the years, these positions led to some epic battles, including Ackman and Carl Icahn's war over the nutrition supplement stock Herbalife. These days, Ackman mostly takes long positions. In his recent bet, ...