Markets at Key support levels , they are scraping the bottom support line of a rising channel of multi month trends. Particularly DOW and SP . Every dang time we've been in a position like this markets have bounced hence the very profitable motto this year "BTFD" buy the f'n dip. The retail stock GME madness may be the thing playing into the fall so we shall see how that shakes out and if that has the ability to shake this unshakable market.
The video i linked above goes into good detail about some of the dangers in the current market or "fragilities" such as Record Margin debt (leveraged bets that stocks will go up over the broad market and how that has been a growing to historic levels and how that can be unwound fast when prices begin to fall . But this last year it's been magic how markets always bounce at these key support levels so we shall seeeee
Margin debt charts and SP 500 performance history
https://www.advisorperspectives.com/dshort/updates/2021/01/22/margin-debt-and-the-market-up-7-7-in-december-another-record-high
Things have been different "this time" so far w a record amount of help from fed policy and fiscal spending and belief that those pillars will be stepped up if needed , and that "that" would work .