Webull is a commission-free stock trading app that grew fast with younger investors, helped along by a wave of loud, memeable ad spots across TikTok and YouTube. The brand's punchy jingle and logo sound became an in-joke among retail-trading meme pages, where the name alone reads as shorthand for day-trading culture. Creators reuse short Webull audio tags as quick stingers in finance memes, the same way other brand sounds get looped for comedic effect. If the origin of this specific clip is unclear, its use is not: it marks a moment as money-related.