Yup, fund managers and billionaires can control and i believe exchange site / owners / CEO? that promote their own coins, like Binance BnB / QLC / WPR?
they can pump these coins anytime they like. so its is more like of a timing i guess if a person is a day trader.
im not good in trading

just sharing some of my thoughts.

Malaki talaga ang epekto ng mga bitcoin holders lalo na yong mga big whales na tinatawag kadalasan sila ang mga dahilan kung bakit bumababa ng mataas ang bitcoin, then after bumaba at magpanic ng mga tao bigla silang bibili ulet lalo na kapag nakita nila na bumaba na ang value ng bitcoin, in fact minamanupilate nila ang price.
yup (i agree), like i said, day traders na magagaling na nakakahuli ng timing ng mga whales are the one who benefit the most.
well..i mine and HODL lang..and accumulate on dips.. as long as you know the potential of your coins wala dapat ipag alala kahit 10years pa na HODL or bumagsak at spike.