Is this a common occurrence for cryptocurrencies?
Bitcoin= sound money
If you invest in Bitcoin 0.009/BTC once a month count a year 12x you only get 0.108/BTC You buy no market effect and you sell everything also does not affect the market.
Bitcoin boom adoption in large quantities such as those done by leading companies 3000/BTC tonight Bitcoin prices can rise dramatically and hold one day off to the market on a large scale 3000/btc overnight the price of bitcoin can drop dramatically, that's how the market works.