A growing number of apparent "pump-and-dump" schemes are plaguing Wall Street, causing billions of dollars in investor losses. These scams involve fraudsters hyping up stocks they own, often in social media chatrooms, to artificially inflate prices, then selling their shares at the peak before the stock inevitably crashes. Matthew Michel, a financial expert, described the situation as an "epidemic," indicating its widespread nature rather than isolated incidents.

An analysis revealed that approximately a quarter of the more than 250 microcap companies that went public on Nasdaq's smallest listing tier since 2023 were promoted in WhatsApp group chats. These promotions were often followed by stock crashes or suspensions by the U.S. Securities and Exchange Commission (SEC) due to concerns about potentially manipulative trading. Similar trading patterns were observed in five microcap companies that debuted on the New York Stock Exchange's small-cap level during the same period.

These schemes have devastating consequences for individual investors. For example, one 24-year-old from central Israel, referred to as S., reportedly lost over NIS 800,000 (approximately $267,000) within four minutes in a WhatsApp-orchestrated pump-and-dump scheme targeting U.S.-listed stocks. She initially saw successful trades and gained confidence, only to invest a much larger sum in a stock that subsequently plunged by about 90% in minutes, making it impossible to exit the trade. Trading data for this specific stock showed daily volume surging to as much as $160 million in May, 32 times its annual average, before it climbed 900% to about $2.90 per share between late May and June 10, only to crash to roughly 34 cents on June 11.

Beyond traditional stock manipulation, "pig butchering" scams, often leveraging WhatsApp, are also on the rise, primarily in the cryptocurrency space. In one instance, a federal court ordered six defendants to pay over $5.5 million in penalties after the SEC alleged they ran a "pig butchering" scheme. This operation groomed 18 victims through WhatsApp, directing them to a fake trading platform that displayed fabricated profits while siphoning nearly $967,000 in cryptocurrency and fiat currency to Hong Kong bank accounts. The scheme, which ran from October 2023 to June 2024, saw participants posing as financial professionals in WhatsApp groups, leading investors to deposit funds into a supposed legitimate platform called NanoBit. When investors tried to withdraw money, they were met with excuses, demands for large fees, or removal from groups. Over $2 million was wired offshore, and hundreds of thousands in crypto assets were misappropriated. The largest penalty, approximately $1.8 million, was assessed against NanoBit Limited, encompassing disgorgement, prejudgment interest, and civil penalties. The SEC also charged a crypto investor with running a $20 million WhatsApp-led fraud across eight companies and recently charged entities for defrauding investors of roughly $14 million through fake crypto trading platforms and "AI investment clubs."