Elon Musk's Tesla share sale continues, brings the total to nearly $5.7 bn

Elon Musk’s string of Tesla Inc. share sales carried on a fourth consecutive day, bringing the total the chief executive officer has offloaded in the wake of an unusual public poll to about $5.7 billion.  

The billionaire disposed of 639,737 shares on Thursday worth about $687 million, according to regulatory filings. He unloaded $5 billion of stock earlier in the week after asking his Twitter followers whether he should sell 10% of his Tesla stake. 

The poll was controversial for a host of reasons. For one, some of Musk’s transactions were carried out this week under a trading plan he