Healthcare has been the worst-performing sector in the S&P 500 this year. But when it comes to unlocking potential capital growth ahead, that may not be all bad news. And that's especially true if we dig a little deeper, and zoom into healthcare segments that are home to innovation.  Looking at the big picture, there's no sugarcoating the numbers. The S&P 500 is tallying gains of about 10% in 2025. But healthcare is practically flat, leading the sector laggards. Home to a diverse universe of companies ra ...