According to @twitteruser, despite a period when market sentiment was nearly 99% negative and heavy pessimism dominated both individual stocks and the overall US market, stocks experienced a dramatic 61% melt-up. This suggests that extreme negative sentiment can precede significant bullish reversals, a pattern relevant for crypto traders monitoring market psychology and potential for sudden rallies. Such sentiment-driven price action underlines the importance of analyzing market mood for both traditional equities and the cryptocurrency market, as similar dynamics often impact Bitcoin and altcoins during periods of widespread fear (Source: @twitteruser).