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 gives $75mn boost to Donald Trump’s presidential run Financial TimesElon Musk hits the campaign trail in a key swing state after donating $75 million to a pro-Trump super PAC Business Insider