Bitcoin rebound: Bitcoin ETFs took in $159.5 million on September 17, ending two days of withdrawals. BlackRock's IBIT led with $183.7 million, while Fidelity's FBTC and VanEck's HODL slipped. Ether outflows: Ethereum ETFs lost $39.3 million, a third straight session. Three-session outflows reached $405.4 million. BlackRock's ETHA drove selling with $42.