The Stealka malware is inserted into pirated mods for video games including Roblox, and can lift sensitive info from apps.

Roblox Corp. shares plummeted Wednesday for their worst day since going public, as more “once-stuck inside kids” are going outside and making it harder for the social-gaming platform to make money.

Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology on contemporary arts and culture.