With stocks losing significant value, market declines are mostly seen as investment setbacks. Which they are of course but usually temporarily.
Unless you have a short term urgency to cash out, keeping your assets and avoiding to sell is often the safest way to protect your investments. If you can however, these are your best times to add to your portfolio.
The challenge comes when sharp market declines are synchronized with economic downturns – times when income also declines, liquidity is required, and investing more is counter-intuitive. That’s when having a strategy can help…
Review your options in Capital Group’s article at:
https://www.capitalgroup.com/advisor/insights/articles/handle-market-declines.html