An investing strategy that's been fueled by the widening gap between market winners and losers is handily beating the S&P 500 this year. According to Société Générale, momentum investing—a strategy that involves purchasing stocks that show strong price or earnings momentum, while selling stocks where price or earnings are waning—is coming out to be a winning strategy in the market so far in 2026. "Pick winning stocks" might sound like an obvious move, but momentum trades are shining particularly bright th ...