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Tech Rally Lifts Major Indices as Semiconductor Stocks Soar

Major technology stocks are driving broad market gains, with semiconductor companies posting notable rallies as investors bet on continued spending in the sector. Nvidia shares jumped 20% over seven days, pushing the chipmaker toward a $6 trillion market valuation. Amazon's market capitalization advanced toward the $3 trillion threshold amid investor optimism about its AI positioning. The S&P 500 index reached fresh records, powered by momentum in artificial intelligence-related equities. Asia's largest stock markets, including Taiwan's Taiex and South Korea's Kospi, have posted record-breaking gains. Analysts caution that outsized concentration in a handful of semiconductor giants may be distorting overall market performance. Broadcom and other chipmakers also benefited from the rally, reflecting investor appetite for companies positioned to capture rising capital expenditure across the industry.