This food delivery giant is expanding into other segments, which could be even more lucrative than its core business. DoorDash (DASH -0.76%) is the dominant food delivery company in America with a 67% market share. It expanded into other segments like grocery and retail over the past few years, which could lay the groundwork for significant growth over the long term. DoorDash stock is up 31% in 2024 so far, so it's comfortably beating the S&P 500, which is up 18%. Here are two reasons why I think it's about ...