Elon Musk sold around $4bn worth of Tesla shares.

Elon Musk sold around 4.4 million Tesla shares on Tuesday and Wednesday as he moved to buy Twitter.

Elon Musk said : "No further TSLA sales planned after today".

Elon Musk and Twitter Inc. reached an agreement on April 25 to buy the social networking platform for 44 billion.

Elon Musk owns about 17% of Tesla.

Musk said he would commit $21bn of his assets to help finance the $44bn twitter deal.

Investors were worried he might have to sell Tesla shares to help finance the takeover.

According to the Bloomberg Billionaires Index, Musk's real-time net worth is $ 252 billion.