$Bed Bath & Beyond(BBBY)$ NASDAQ:BBBY pulled off an improbable rise on Friday despite the broader markets tumbling to close the week.Shares of BBBY rose higher by 5.94% and closed the trading week at a price of $10.70.Stocks were hammered on Friday as FedChairman Jerome Powelldelivered a hawkish speech from Jackson Hole that hinted at more pain ahead for the US economy. The eight-minute speech was short and to the point, and caused an immediate crash on Wall Street. Overall, the Dow Jones sank by 1,008 basis points, the S&P 500 dropped lower by 3.37%, and the NASDAQ tumbled by 3.94% during the session.How did Bed Bath and Beyond manage to eke out a positive day despite the broad market sell off?The daily trading volume soared past the recent