Honestly, I don't know if we are in a bear market or just a correction in an ongoing bull market. However, bear markets are typically characterised by rip your face off rallies. Until recently the market was very oversold and due a significant short term rally. Look at the 2000 chart of Nasdaq - bounced around like a yoyo.
The investing environment is still getting progressively worst for risk-on assets as inflation will squeeze margins and lower profits across the board. It is not the time to be investing very aggressively.
Maybe this is an elementary question with an answer that is well documented, but what has the rise of the index fund/retail (retirement fund) investor done to change cycles over the past 30 or so years? is this something that doesn't matter because large investors and compensated shareholders still outweigh retail? or is this a strategy that hedge funds exploit and so the tricks aren't readily shared with retail? (or is this nothing at all?)