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联合早报即时报道

周二美市盘前走低聚焦微软公司年度开发者大会“Build”

美国华尔街股市主要股指期货在星期二（5月20日）走低。在7时截稿时，标准与普尔500指数期货微退10.90点或0.18％，报5952.70点；以科技股为主的纳斯达克100指数期货退低61.80点或0.29％，报21385.20点；重量级的道琼斯指数期货则小幅起了12.90点，报42804.80点。

市场投资者似乎对美国信用评级下调不以为意，因此美国股市在隔夜（星期一）收盘时仍小幅走高。这也是标准与普尔500指数连续第六个交易日收高。

标准与普尔500指数隔夜小幅上升5.22点，闭市报5963.60点。道琼斯指数起了137.33点，闭市报42792.07点。纳斯达克100指数也微升0.09％或19.12点，以21447.05点收市。

美国股市隔夜的交易非常活跃，交易所的总成交量是194亿1000万股，比过去20天的173亿4000万股平均成交量多。

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#今晚美市看什么 #美国股市 #美市 #美股 #财经即时 #微软 #人工智能

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Create: 2025-05-20
Last Update: 2025-06-04 10:35:41

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Bitcoin is a decentralized digital currency that you can buy, sell and exchange directly, without an intermediary like a bank. Bitcoin’s creator, Satoshi Nakamoto, originally described the need for “an electronic payment system based on cryptographic proof instead of trust.” Each and every Bitcoin transaction that’s ever been made exists on a public ledger accessible to everyone, making transactions hard to reverse and difficult to fake. That’s by design: Core to their decentralized nature, Bitcoins aren’t backed by the government or any issuing institution, and there’s nothing to guarantee their value besides the proof baked in the heart of the system. “The reason why it’s worth money is simply because we, as people, decided it has value—same as gold,” says Anton Mozgovoy, co-founder & CEO of digital financial service company Holyheld.

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What Is Bitcoin?

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