Roblox Corp. was digging itself out Monday from a three-day outage that shut out millions of users, as investors wiped away more than $1.5 billion of the videogame company’s market capitalization.

Tian Pei, Roblox’s head of sport, has been kept busy over the past few years with high-profile partnerships with Fifa, McLaren, Nascar and others. The platform helped codify many of the expectations ...

The art and science of stock market investing requires a tolerance for losing money on some of the shares you buy. But it's not unreasonable to try to avoid truly shocking capital losses. So we hope ...