Bitcoin ’s more than 30% drop from its record high underscores the volatility that has come to characterize the cryptocurrency. Moves from previous cycles not only show how the current price swings are all part of bitcoin’s normal operating pattern but also how they may often precede a rally, according to figures compiled by CoinDesk Data for CNBC. Bitcoin, the world’s largest cryptocurrency, dropped to a low of around $80,000 late last month before staging a rally and falling again this week. When bitcoin dropped to under $81,000, that represented an approximately 36% fall from its all-time high of around $126,000 ... (full story)