Elon Musk believes a merger between Tesla and SpaceX would make strategic sense, publicly endorsing the idea on Tuesday as his business empire increasingly converges around artificial intelligence (AI), robotics, advanced manufacturing and computing infrastructure.A combination of the electric-vehicle maker and the rocket company could create a technology conglomerate valued at about $3.5 trillion, bringing together businesses spanning automobiles, energy storage, satellite communications, space exploration and AI computing.Read more: Global Market: China's yuan hits four-year high on export strength, weak dollarAccording to Reuters, the boundaries between Tesla and SpaceX have increasingly blurred as Musk pursues an integrated technology strategy that…