https://phys.org/news/2018-06-japan-start-up-mercari-soars-day.html

But that price was quickly surpassed on Tuesday, with shares trading around 5,300 yen at midday, putting the firm's value at over 700 billion yen ($6.37 billion).

The online marketplace, started in 2013, allows users to buy and sell everything from clothes and electronic goods to event tickets.