Crypto expert CALV!N from Purebase Studios says buying and holding will give newbies higher yields than tradingXavier Lorenzo/Getty Images Bitcoin prices dropped as much as 22% on Saturday. The broader cryptocurrency market droped roughly 15%. The plunge follows a volatile week for financial markets. Bitcoin shed a fifth of its value on Saturday as a combination of profit-taking and macro-economic concerns triggered nearly a billion dollars worth of selling across cryptocurrencies.The cryptocurrency tumbled as much as 21% to $42,296.38.