If the market truly works with the principles of demands and supplies, taking calculated steps in trading and investing will not be too difficult, except with the influence of economic development or decline, as it won't be difficult to articulate the direction of the market. Speculators yes, have their part to take from the blame on why Bitcoin is on a dump, yet whales also have their own effect on the price dump on Bitcoin as well. With an overview, there will always be speculators as we will always have some big whales, very rich and wealthy people, who when they speak, their influence goes across the world and the stock/crypto market.
There are numerous factors that are all together that causes the dump in the price of Bitcoin.