eclipse_images/E+ via Getty Images Bit Digital (BTBT) stock resumes its surge, up 48% in midday trading, after its trading was briefly halted for volatility in late morning trading on Wednesday. Halt occurred at 11:39:25 AM ET and resumed at 11:44:25 AM, according to the Nasdaq current trading halts page. There's no apparent news out on the stock, but perhaps BTBT is playing catch-up to bitcoin's (BTC-USD) price movement. Over the past year, BTBT return of 207% (at Tuesday's close) was lagging bitcoin's 264% gain during the same period, as seen in the chart below. Bitcoin, though off today's high of $40.8K, recently trades at $39.7K, up 5.4% over the past 24 hours. Earlier this month, Bit Digital reported that 70.8% its minor fleet was already deployed, in transit, or awaiting installation in North America as of June 30, 2021.