In an analysis published by XWIN Japan, a research institution based in Japan, on CryptoQuant up to the 27th, the seasonal decline trend common to U.S. stocks and Bitcoin (BTC) in September was highlighted. The S&P 500's average return in September over the past 50 years has been -0.8%, marking it as the weakest month of the year. Factors include end-of-quarter portfolio adjustments and profit-taking after the summer's bullish phase...