Bank of America says sell-off has more to go, but S&P 500 will eventually rebound to 3,630 preelection

A child wearing a face mask sits on the Charging Bull statue, also known as the Wall Street Bull, following the outbreak of the coronavirus disease (COVID-19) in New York, August 19, 2020.
Carlo Allegri | Reuters

(This story is for CNBC Pro subscribers only.)

The fast and furious tech equity rout could have further to go in the coming weeks before the market eventually rebounds ahead of the U.S. presidential election, according to Bank of America's chief investment strategist Michael Hartnett.