manipulators want to collect more cryptocurrencies. they manipulate the market and wants market to be dumped when they want to buy. and they manipulate for a rise with good volume when they want to cash out.
That's why if you want to have profits then you would want to think as a manipulator or the whales or the market makers. You would want to know what are they thinking or what their movement might be in this kind of market so that in this way, you can anticipate their movement and you can avoid being dumped and will be not late when the pump comes. One key factor here is having a trading plan always so that you will not be betrayed by your emotions in case there are sudden movements in the market.