What we need to understand is that there is no dump or pump. There are only trading opportunities.
The less you bias yourself with a market trend (normally the bull market) the less you will miss trading opportunities due to being biased by that.
Look at the charts, news, make your decision, but don't make it with your bias. Remove your psychology from thinking that a bear market is bad. No, a bear market is as good as a bull market if you see it unbiased.
For instance, I open shorts or longs on my bot algorithm, because I believe I need to follow the market, not trying to have my trades following my bias.
These are my trades at the moment: