4月30日电，中国香港3月货币供应M3同比增长7.7%，前值为6.80%。

Core Insights - Hong Kong's M3 money supply grew by 7.7% year-on-year in March, compared to a previous value of 6.80% [1] Group 1 - The increase in M3 indicates a strengthening liquidity environment in Hong Kong's financial system [1] - The growth rate of 7.7% suggests potential for increased economic activity and investment opportunities [1] - The previous value of 6.80% reflects a positive trend in monetary expansion [1]