source:[1] Stock Market News Today, 12/15/25 – U.S. Stock Futures Rise Ahead of Key Economic Releases - TipRanks (https://www.tipranks.com/news/stock-market-ne ...)[2] Exclusive: Nasdaq seeks to extend trading hours, as Wall Street gears up for 24/7 move - Reuters (https://www.reuters.com/business/finance/nasd ...)[3] 5 Things to Know Before the Stock Market Opens - Investopedia (https://www.investopedia.com/5-things-to-know ...)