Fidelity's spot Bitcoin ETF just had its biggest day in weeks. On November 5, 2026, the Fidelity Wise Origin Bitcoin Fund (FBTC) pulled in $236.7 million in a single day, according to Farside Investors data — more than double its previous best day of the autumn — and helped US spot Bitcoin ETFs flip back to net inflows after three straight days of outflows. Bitcoin, meanwhile, was...