It is quite true that there are people that manipulate the price, most of them have a large amount of money and they manipulate the price for them to profit. We should be very patient and wait until the price goes up.
They want bitcoin panic holders and sell at low prices. That fishing technique in turbid water, they create conditions of negative sentiment about bitcoin in the hope that bitcoin will fall in price then they buy as much as possible and make a positive issue with the desire for rising prices. Then they sell, and of course big profits.