TOKYO—The Japanese billionaire who bought the first ticket to fly around the moon on Elon Musk’s SpaceX vehicle is losing momentum back on Earth. The business of selling fashion brands online may not be rocket science, but it is getting trickier for Japanese entrepreneur Yusaku Maezawa after years of rapid growth for his site, with big brands backing away and competition from the likes of Amazon.com Inc. rising.

Source: Wall Street Journal February 02, 2019 13:03 UTC