EnlargeAurich Lawson vs Disney One share of Tesla stock traded for more than $1,130 on Wednesday, pushing the company's market capitalization to nearly $210 billion. That sent Tesla's market cap past Toyota, which is worth either $170 billion or $203 billion, depending on how you count it. Tesla is now the world's most valuable car company. It's a remarkable milestone for a company that sells far fewer cars than its leading rivals. Toyota and its subsidiaries sold 10.7 million vehicles in 2019, while Volkswagen and its subsidiaries sold almost 11 million vehicles. Tesla sold a comparatively tiny 367,500 vehicles last year. But Wall Street is apparently very optimistic about Tesla's prospects for future growth and profits. Many experts expect a global shift to battery electric vehicles over the next decade or two, and Tesla is leading that revolution. Tesla's Model 3 was by far the most popular battery electric vehicle in 2019. It sold 300,000 vehicles, a..