美国股指期货上涨，投资者寄望“圣诞老人行情”

Group 1 - US stock index futures are rising, with the Dow Jones futures up approximately 80 points, a 0.2% increase, while S&P 500 and Nasdaq 100 futures are also up [1][3] - West Texas Intermediate crude futures have increased following the US seizure of another oil tanker linked to Venezuela, with investigations ongoing for another vessel [1][3] - Gold futures have declined, while silver futures have risen [1][3] Group 2 - The "Santa Claus rally" is a seasonal pattern where historically, the stock market tends to rise during the last five trading days of December and the first two trading days of January, potentially providing momentum for the new year [1][3] - Despite the S&P 500 index being down for December so far, hopes for a year-end rebound remain, bolstered by last Friday's increase in the index [1][3] - Stephen Innes from SPI Asset Management suggests that the market is not in a frenzy but is also not feeling cornered, with moderate inflation, cooling economic growth, and ample liquidity contributing to a favorable environment for a year-end rally [2][4]