China's economic stimulus announcement underwhelmed investors, causing stock market declines.

China's anticipated economic stimulus announcement disappointed investors, leading to a decline in stock market gains. After an initial 10% jump post-Golden Week, the Shanghai Composite Index rose 5%, while Hong Kong's Hang Seng index fell 5%. Traders questioned the government's commitment to further stimulus as officials refrained from detailing support measures, causing uncertainty and a cooling of market enthusiasm.