AI optimism boosts, chip stocks rise for 16 consecutive days to a record high, marking the longest streak in history!

The US semiconductor stock index has set its longest consecutive record of gains ever, driven by investors’ expectations of strong growth in the industry as artificial intelligence-related demand surges.

The Philadelphia Semiconductor Index rose 2.7% on Wednesday, marking its 16th consecutive trading day of gains. This is the longest streak since records began in 1994. Over this rally, the index has surged about 39%, putting April on track to be its best monthly performance since February 2000.

This rally is the latest example of chip stocks leading the broader US stock market. The launch of ChatGPT ignited the modern era of artificial intelligence and fueled this multi-year trend. Major companies are investing heavily in AI-related infrastructure, which in turn has significantly driven demand for chips.

Industry experts say: "Driven by artificial intelligence, demand is extremely strong, and it can be expected that large-scale investment in AI will continue for the foreseeable future. From a valuation and growth perspective, the industry remains attractive, which benefits not only semiconductor stocks as a whole but also the entire market."

According to Bloomberg data, revenue in the semiconductor industry is expected to grow by about 57% in 2026, twice the growth rate of the overall technology sector and well above the 9.3% growth expected for the S&P 500 index.

Nvidia has especially become the representative company of the industry and even of the AI sector, and could be seen as a bellwether for the entire economy. Over the past five years, this chipmaker’s stock has soared more than 1200%, with a market value nearing $5 trillion, making it the world’s most valuable company.

Other major winners in the AI era include: Broadcom (up more than 800% over the past five years), Micron Technology (up more than 460%), and AMD (up more than 260%). Intel lagged over the past five years but has recently performed strongly, with its stock reaching its highest level since 2000 as expectations rise for a successful ambitious transformation strategy.

Overall, the chip index has more than tripled, with gains more than twice those of the Nasdaq 100.

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