Investors who want a stake in health care are well advised to consider the world of diagnostic medical devices. Dominated by global multibillion-dollar outfits like Medtronic, Inc. (NYSE: MDT), Stryker Corporation (NYSE: SYK) and Thermo Fisher Scientific, Inc. (NYSE: TMO) and Japan’s Sysmex Corp. who pour hundreds of millions into research and development and have a strong hold on distribution channels, the category is a formidable challenge to even the most experienced players.
