Another stock market buy signal flashes as investors flee to 'extreme bearish' positioning

• The stock market just flashed a contrarian buy signal as investors turn extremely bearish.
• Bank of America highlighted that its proprietary Bull and Bear Indicator entered "Buy" territory this week.
• The stock market has historically seen a median gain of 5% after this buy indicator flashed.

Another buy signal just flashed for the stock market as investor positioning turns overly bearish towards equities, according to a Thursday note from Bank of America.