Tech Insider : Business
OCTOBER 11: A US Postal worker delivers Amazon boxes outside of the New York Stock Exchange (NYSE) on October 11, 2018 in New York City. Following a massive sell-off of over 800 points yesterday, the Dow Jones Industrial Average fell over 100 points in morning trading. (Photo by Spencer Platt/Getty Images)
Amazon said that USPS backed out at the "eleventh hour" in contract negotiations in December.