Market Overview - The Hong Kong stock market, represented by the Hang Seng Index, fell by 1.28%, with technology stocks being particularly affected [1] - The A-share market also experienced declines, with over 3,800 stocks dropping and the ChiNext Index falling by more than 1% [1] - Despite the overall market downturn, the "cultured diamond" sector surged over 6%, attributed to an upcoming industry conference and increasing applications for synthetic diamonds [1] - Coal and airport shipping sectors remained stable, indicating a potential safe-haven investment [1] - Previously popular sectors like AI and gaming media saw significant declines, highlighting the volatility in market trends [1] Investment Insights - Investors are cautioned against equating stock market valuations with liquid cash, as market prices are influenced by emotional fluctuations rather than actual asset value [3][5] - Recognizing the difference between bank deposits, which are fixed and legally protected, and stock market valuations, which can be volatile and speculative, is crucial for sound investment decisions [5] - The focus should shift from short-term price movements to the underlying business performance and long-term value of the companies held in the portfolio [3][5] - The tendency to react to market fluctuations can lead to poor decision-making, such as selling during downturns or investing funds needed for immediate expenses into volatile stocks [5]