Today's 9.5% drop for the S&P 500 Software group is its 4th biggest one-day drop in its history since 1989 and its biggest since it fell 14% on 3/16/2020 during the COVID Crash. Today is the Software group's 5th worst day versus the S&P 500 in its history as well.

Here are the four trading days that the Software group did worse than the S&P 500: Today (-8.2 ppts) 4/24/2000: -8.5 ppts 3/2/2001: -8.8 ppts 7/12/1990: -8.8 ppts 4/3/2000: -10.9 ppts