ProShares Ultra Bitcoin ETF (BITU) is up 13.9%, or $5.15 to $42.27. 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 18.7% ProShares Ultra Bitcoin ETF falls -12.3% ProShares Ultra Bitcoin ETF falls -8.6% Disclaimer & DisclosureReport an Issue