[Trading Resumes After Holiday: U.S. Tech Giants Decline in Pre-Market Along with Stock Index Futures] The seven U.S. tech giants fell during pre-market trading as traders returned to the market after the holiday. All seven tech giants were down: Apple fell 0.4%, Microsoft fell 0.5%, Meta fell 1.1%, Amazon fell 0.2%, Tesla fell 1.1%, Nvidia fell 1.1%, and Alphabet fell 0.1%. Nasdaq 100 futures dropped 0.8%, while S&P 500 futures fell 0.3%. Investors are concerned about the high capital expenditures of major cloud service providers and are questioning when returns will materialize. They are closely monitoring the disruptive impact of artificial intelligence on industries such as software. The seven tech giants have all declined this year; the equal-weighted index of the seven tech giants has dropped 7.2% year-to-date. (Sina Finance)