Tesla shares slide 5% after Elon Musk proposes selling 10% of his stock in a Twitter poll - CNBC

* Tesla shares slide 5% after Elon Musk proposes selling 10% of his stock in a Twitter poll  CNBC * Elon Musk asked Twitter if he should sell some of his Tesla stock. Here's what the Twitterverse said  CNN * Twitter poll calls on Elon Musk to sell 10% stake in Tesla  BBC News * Elon tells us nothing new, but the market moves anyway  Financial Times * Elon Musk faces a $15 billion tax bill, which is likely the real reason he's selling stock  CNBC
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