And since nobody knows a good stock from a bad one, buy them all: VTSAX
My work retirement plan is doing exactly that, and able to buy many more shares with my contribution. After this market dip, it is very possible I'll be even farther ahead than had the market just held steady.
As for my own investing, even with the S&P in correction territory, I haven't lost any of my base investment. I'm still way ahead of wear I started.
I guess once the pandemic is over and market recovery starts, Neuro-mons will stop repeatedly quoting himself in this thread.