Ether (ETH) price fell by 7.3% between Oct. 1 and Oct. 8, wiping out gains made over the previous two weeks.Investor sentiment has been mixed, as Ether has dropped 2% since Sept. 1, while the altcoin market cap has increased by 4.5% during the same period.Traders remain uncertain about Ether's ability to retake the $2,600 level.Ether exchange-traded funds (ETFs) in the US have experienced a cumulative outflow of $548 million since their launch in July.