https://www.reuters.com/article/us-crypto-currency-ether/biden-tax-fears-leave-bitcoin-ether-groggy-idUSKBN2CA0B2 >TOKYO (Reuters) -Cryptocurrency Ether pulled back sharply from a record high and rival Bitcoin also fell on Friday amid speculation that U.S. President Joe Biden's plan to raise capital gains taxes will curb investment in digital assets.