Meta Platforms will double capital spending to as much as $135 billion this year, an all-in bet on artificial intelligence as the US tech giants battle it out for supremacy in the next wave of technological advancements. Tesla will spend $20 billion this year on pursuits including AI, self-driving vehicles and robotics - almost double Wall Street estimates — and plow another $2 billion into Chief Executive Officer Elon Musk’s xAI startup. Musk also said Tesla needs to build its own