2008 was a liquidity crisis and credit crunch so everything got margin called across asset classes, what’s great about 2020 is that hasn’t happened, yet. Great meaning the fireworks have yet to go off.
Regardless of whether it happened or not, my point is still true. I made a chart for you with domestic stocks, emerging market stocks, gold, bonds, Bitcoin, treasuries and real estate: https://ibb.co/1LnG5Dv.
They all fell.