Elon Musk and other billionaires invest staggering sums into electing Trump, plus other takeaways from third-quarter filings CNNMusk turns mega-donor for Trump with $75 million donation USA TODAYElon Musk’s $75m puts him among largest Republican donors – US politics live The Guardian USThe billionaires powering Trump’s super PACs POLITICOElon Musk hits the campaign trail in a key swing state after donating $75 million to a pro-Trump super PAC Business Insider