According to a lawsuit filed by Amazon, Donald Trump's "personal vendetta" against the company and Jeff Bezos may have resulted in it losing out on a $10 billion US military contract. While Amazon faces an "uphill battle" to prove its case, this might be another case of "improper activity" by the US president.
https://www.notebookcheck.net/Obsessed-Trump-reportedly-cost-Amazon-10-billion-defence-contract.447017.0.html