The global stock market is reacting to a tougher regulatory climate after China’s action against three of the country’s biggest online brokers. The country has imposed limits on unauthorized trading platforms abroad. It turns out that the new regulations are now hitting zones outside China. This move has disrupted retail investors who look for international markets as well as capital flows among the financial centers. The top watchdogs suggest that it was a step to counter cross-border securities transactions and illegal capital movements. China hits online brokers with $324M crackdown According to reports , the CSRC had imposed more than 2.2 billion yuan (approx $324 million) in combined penalties. The list holds the names of Futu Holdings, UP Fintech (Tiger Brokers), and Longbridge Securities. Futu is reportedly facing the biggest proposed fine of around $271 million. However, the UP Fintech disclosed penalties of almost $61 million. Longbridge is yet to reveal. The three firms are asked to immediately halt onboarding mainland-based clients. They need to stop new capital inflows. Amid the rush, existing users are limited to selling their positions and withdrawing funds. This transition period will last for two years. After this, mainland-facing platforms must be shut down completely. The crackdown has led to a broader issue for the global markets. Platforms such as Futu and Tiger Brokers became widely used gateways for retail investors who wanted to invest in exposure to the US, Hong Kong, and other offshore equities. However, regulators are concerned about many things. This includes how these channels interact with foreign exchange control, leverage risk and informal capital routing mechanisms. As per the Bloomberg data, China’s “hot money” outflows reached $1.04 trillion in 2025. This highlights the scale of cross-border retail and institutional flows. Futu sell-off deepens Futu Holdings’ share price took a dump of more than 3% in the premarket trading. Its price has already dropped by almost 29% over the last month. It traded around $110 in the last trading session. UP Fintech also posted a similar dip in the premarket trading. It traded at $5.10 in the last trading session. Broader Chinese internet stocks also came under pressure. The KraneShares CSI China Internet ETF declined sharply on the news. Alibaba share price posted a drop of around 2%. It traded at $12180 HKD at the press time. The global crypto market printed red indexes all around. Its market cap dropped by more than 3% in the last 24 hours to hover around $2.4 trillion. Global financial hubs such as Hong Kong, Singapore, and London have also increased scrutiny of onboarding practices. However, the SFC has moved ahead to intensify enforcement, identifying compliance gaps. It is tightening account verification requirements, too. The smartest crypto minds already read our newsletter. Want in? Join them .