The stockpicker saw similarities between 2018 and the days leading up to 1987's Black Monday crash.
The stock market is closing in on one terrible week. Investors have been put through the wringer. Financial media journalists are running on fumes. And worst of all, there is no sign yet that the selling is done. Brutal.
Stocks went on a rollercoaster ride on Friday.
Markets were experiencing volatility Friday.
Activision Blizzard reported record fourth-quarter results, but can't even make up the losses from the prior day.