I think there is no steady increase that happens in the market of cryptos. Some coins experience an increase but it's moving in a zigzag pattern. Also, there are no coins that increase two times their price. That's hard to achieve in a market conditions like this. It's not shocking as well to see them falling but their movements are sometimes like that if they don't show a small recovery but the title of your thread is correct.
Bearish market is really the best time for purchasing a crypto coin but as usual, you must also choose the coin that you are going to invest very wisely and it would be better if you can just choose a more known coin, if you still lack experience.