Tesla's bitcoin value dives; Musk signals hold with âdiamond handsâ tweet By Hyunjoo Jin, Sinéad Carew and Akanksha Rana Reuters (Reuters) -The market value of Tesla Inc's bitcoin holdings have fallen by half to $1.26 billion, close to the electric car maker's purchase cost, as the cryptocurrency's value plunged following a crackdown by the Chinese government. Shares of Tesla Inc were 3% lower on Wednesday afternoon, down more than broader U.S. market indices. Chief Executive Elon Musk signaled that the company still is not selling, tweeting symbols for diamond hands https://twitter.com/elonmusk/status/1395027147161489412 to his 55.3 million followers. "Diamond Hands" is a symbol used frequently on Reddit signaling the intention to stubbornly hold on to a stock or other asset.