ProShares Ultra Bitcoin ETF (BITU) is down -9.9%, or -$3.79 to $34.65. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on BITU: ProShares Ultra Bitcoin ETF rises 13.9% ProShares Ultra Bitcoin ETF rises 18.7% ProShares Ultra Bitcoin ETF falls -12.3%