开盘：美股周五开盘涨跌不一 本周主要股指有望录得涨幅

Core Viewpoint - The U.S. stock market is experiencing a mixed opening after the Christmas holiday, with major indices expected to achieve weekly gains, driven by seasonal trends and investor optimism [1][6]. Group 1: Market Performance - The S&P 500 index has risen by 1.4% this week, on track for its fourth weekly gain in five weeks, while both the Dow Jones and Nasdaq indices have also increased by over 1% [3][8]. - Precious metals continue to soar, with gold and silver prices reaching historical highs due to worsening geopolitical tensions and a weakening dollar [3][8]. - The S&P 500 index recently set new intraday and closing records, reflecting strong market performance despite the holiday break [3][8]. Group 2: Investor Sentiment and Predictions - Wall Street anticipates that the AI boom and potential Federal Reserve interest rate cuts will support the continued rise of the S&P 500 index, although concerns about inflation, high valuations, and geopolitical tensions may lead to market corrections [4][9]. - Ed Yardeni, a prominent market analyst, predicts that the S&P 500 index could reach 7,700 points by 2026 and 10,000 points by 2029, alongside a forecast that gold prices may hit $10,000 per ounce by the end of the decade [5][10]. - Investors are currently in a historically strong seasonal window, looking forward to a potential "Santa Claus rally," which has averaged a 1.3% increase for the S&P 500 during the last five trading days of the year and the first two trading days of the new year since 1950 [3][8].