Billionaires Are Piling Into These Top Stocks. Should You Buy Them, Too?

No one becomes a billionaire investor by making nothing but bad decisions. Instead, individuals who achieve tremendous success typically make smart investing choices. Pershing Square Capital Management's Bill Ackman, Duquesne Family Office's Stanley Druckenmiller, Citadel Advisors' Ken Griffin, and Appaloosa's David Tepper are great examples of wildly successful investors who have made many good decisions over the years. Several of these billionaires are piling into three top stocks. Should you buy them t ...