Billionaires joining forces On July 5, fellow billionaire and “ Shark Tank ” star Mark Cuban replied to Musk’s tweet confirming the formation of a new political party, saying, “I work with ...

Shares in Tesla plunged 6.79% Monday after its CEO Elon Musk said he is forming a new American political party, provoking an irate response from President Donald Trump. Shares in Tesla (TSLA) had ...