The gaming company Roblox went public on Wednesday to the tune of a $38 billion market cap. Here’s what makes the children’s platform so special — and so valuable.

Roblox shares were priced at $45. They closed the first day of trading up 54.4%. Since then, they’ve lost 20% of their value, but not before hitting an all-time high of $141.60 in November.

A gardening game created by a teenager on online platform Roblox has attracted a record 21 million simultaneous players, a figure rarely seen in the industry. "(But) I think we can be confident it ...

A gardening game created by a teenager on online platform Roblox has attracted a record 21 million simultaneous players.