Reddit stock rocketed 21% in after-hours trading on third-quarter revenue of $348.4 million, far surpassing analyst estimates of $313.6 million. In its fourth-quarter guidance, Reddit estimated revenue in the range of $385 million to $400 million, which would bring total 2024 revenue to between $1.26 billion and $1.27 billion. “Reddit is scaling profitably,” Reddit Chief Financial Officer Andrew Vollero said in a call with investors after results came out.