US President Donald Trump invested as much as US$50,000 in Elon Musk’s SpaceX in June, according to a public financial disclosure, giving him a financial stake in a major government contractor run by his former adviser. Trump bought between US$15,001 and US$50,000 in shares on June 23, according to a financial disclosure signed by him on August 12 and made public on August 22. The purchase was part of more than 1,000 stock trades the president made in June. SpaceX priced the biggest-ever US...