Elon Musk’s net worth has plunged $50 billion in just two days after the Tesla CEO asked his Twitter followers whether he should sell 10 percent of his stake in the company, Bloomberg reports. Musk, the world’s richest person, took to the social media platform on Nov. 6 to pitch a poll with his 63.1 million followers in response to a “billionaires’ tax” proposed by Senate Democrats. The proposed legislation, unveiled in late October, would require roughly 200 U.S. companies to pay a minimum 15 percent tax rate and aims to prevent the largest and most profitable company’s across America from avoiding having to pay taxes. Specifically, the bill would ensure that companies making more than $1 billion in profits annually pay the 15 percent minimum tax rate on those profits. Lawmakers believe it will create a more even playing field and fair tax system and generate “hundreds of billions …