比特币和以太币价格走低

Group 1 - The core viewpoint of the article indicates that U.S. stock index futures are declining, which is leading to a decrease in the prices of Bitcoin and Ethereum [1] Group 2 - The decline in U.S. stock index futures suggests a bearish sentiment in the market, which often correlates with a drop in cryptocurrency prices [1] - Bitcoin and Ethereum, as major cryptocurrencies, are experiencing price reductions in response to the overall market trends influenced by stock performance [1]