The semiconductor industry has recently experienced a period of sharp volatility. The Philadelphia Semiconductor Index has fallen over 11% from its historic high reached in June, though it remains up by roughly 83% for the year.
The core driver behind the rally has been a surge in demand for memory chips fueled by artificial intelligence. According to the World Semiconductor Trade Statistics organization, the global semiconductor market is projected to reach $1.51 trillion by 2026, representing a year-on-year increase of about 90%, with the memory chip market expected to grow by nearly 250%.
However, as stock prices have climbed, market divergence is intensifying. On one hand, investment in AI infrastructure continues to expand, with global capital expenditure on cloud and AI infrastructure forecast to approach $1.5 trillion by 2027. JPMorgan maintains an "overweight" rating on the semiconductor sector, arguing that the supply chains for AI-related computing, memory, and networking equipment will continue to benefit. Citigroup, meanwhile, recommends Broadcom Inc, Texas Instruments Inc, and Applied Materials Inc as top picks, viewing the recent pullback as a healthy correction.
On the other hand, high valuations and uncertainty over the return on AI investment are causing concern among investors. Data shows that funds tracking U.S. semiconductor stocks recorded an outflow of approximately $11 billion in the final week of June, marking the largest single-week outflow this century. Short-selling pressure is also building, with short positions in major semiconductor companies rising to a three-year high. A chief market analyst at Interactive Brokers noted that while earnings growth has been unprecedented, the key question is how long this momentum can last. Analysts advise investors to adopt a selective strategy, focusing on structural growth opportunities while remaining cautious about cyclical risks.
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