The performance of U.S. tech stocks remains robust, with recent quarterly net profit data further affirming this trend. Apple led the way with a net profit of $36.3 billion, achieving operating revenue of $124.3 billion, gross profit of $58.3 billion, pre-tax net profit of $42.6 billion, and paying corporate income tax of $6.3 billion, resulting in a net profit margin of 29.2%. Over the past four quarters, Apple's cumulative net profit reached $96.16 billion, although it has shown a slight decline for two consecutive years. Microsoft followed closely with a net profit of $24.1 billion, reporting operating revenue of $69.6 billion, gross profit of $47.8 billion, pre-tax net profit of $29.4 billion, and paying corporate income tax of $5.3 billion, with a net profit margin of 34.6%. Nvidia stood out with fourth-quarter revenue of $39.331 billion, up 78% year-over-year and 12% quarter-over-quarter, and a net profit of $22.091 billion, up 80% year-over-year and 14% quarter-over-quarter, achieving a remarkable net profit margin of 56.2%. Google also performed exceptionally, with operating revenue of $96.4 billion, gross profit of $55.8 billion, pre-tax net profit of $32.2 billion, and paying corporate income tax of $5.7 billion, resulting in a net profit of $26.5 billion and a net profit margin of 27.5%. Amazon set a record with its highest-ever net profit of $20 billion, reporting operating revenue of $187.8 billion, gross profit of $88.9 billion, pre-tax net profit of $22.3 billion, and paying corporate income tax of $2.3 billion, with a net profit margin of 10.65%. Meta achieved its best performance to date with a net profit of $20.8 billion, reporting operating revenue of $48.4 billion, gross profit of $39.5 billion, pre-tax net profit of $23.5 billion, and paying corporate income tax of $2.7 billion, with a net profit margin of 42.9%. Although Tesla had the lowest net profit among the "Big Tech Seven" at $2.3 billion, its 9.8% profit margin remains relatively high within the automotive industry. In summary, the quarterly net profits for these companies are as follows: Apple $36.3 billion, Google $26.5 billion, Microsoft $24.1 billion, Nvidia $22.1 billion, Meta $20.8 billion, Amazon $20 billion, and Tesla $2.3 billion, demonstrating the strong profitability of U.S. tech giants.