Uber and Lyft’s most recent earnings reports spotlight a widening divergence in approach in business models. At first glance, there’s a core focus for both firms: That would be matching the supply and demand for movement, of course, for drivers and customers to link up across platforms. But beyond that broad concept, Uber and Lyft have taken different roads. Lyft is, arguably, in the transportation business, while Uber is increasingly endeavoring to broaden logistics and mobility, crafting end-to-end connec ...