Dhaka, June 13 -- Billionaire businessman Elon Musk backed off digs he took at President Donald Trump after extensive outreach from administration officials, including Vice President JD Vance, with Musk saying on Wednesday he had gone "too far."The Tesla and SpaceX CEO voiced regret after having launched an exchange of increasingly personal attacks last week on their respective social media sites by calling Trump's sweeping tax and spending bill a "disgusting abomination." In other remarks, he called it too expensive.The feud escalated to a point where Musk threatened to start a rival political party and suggested Trump be impeached.For investors, the open rift potentially posed multiple hurdles for Tesla, SpaceX and the rest of Musk's spra...