来源:[1] 今日股市新闻,12/15/25 – 关键经济数据发布前美国股指期货上涨 - TipRanks (https://www.tipranks.com/news/stock-market-ne ...)[2] 独家:纳斯达克寻求延长交易时间,华尔街准备24/7交易 - 路透社 (https://www.reuters.com/business/finance/nasd ...)[3] 股市开盘前需要了解的5件事 - Investopedia (https://www.investopedia.com/5-things-to-know ...)