Bank of America says the market is in striking distance of a sell signal

Traders work during the opening bell at the New York Stock Exchange (NYSE) on March 5, 2020 at Wall Street in New York City. (Photo by Johannes EISELE / AFP) (Photo by JOHANNES EISELE/AFP via Getty Images)
Photo by Johannes Eisele | AFP | Getty Images

As reopening optimism keeps pushing the stock market to all-time highs, it's almost time to sell, according to a Bank of America market gauge with a strong short-term track record.