The inevitable slowdown of high-end smartphone sales hasn’t put a damper on Qualcomm’s (NASDAQ: QCOM) stock performance this year, despite concerns to the contrary just a few months ago. The reason Qualcomm stock is up nearly 9% year to date, even as global smartphone shipments have taken a hit, is that it wasted no time in tackling other, fast-growing markets, including the Internet of Things, connected cars, and wearable devices.