The stock market just had a rare '90%-up day' that could signal a bottom

View of New York Stock Exchange, Wall Street on March 23, 2020 in New York City.
Angela Weiss | AFP | Getty Images

Stocks may finally be showing signs of bottoming from their coronavirus-induced sell-off after a massive rally on Tuesday, a strategist at Bank of America pointed out, citing a widely followed indicator on Wall Street.

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