A significant rise in the value of semiconductor company shares has been a primary driver of the U.S. stock market rally in 2024, fueled by investor interest in artificial intelligence. The growth has prompted discussion among financial analysts and investors regarding market valuations and the potential for a future correction.
The Philadelphia SE Semiconductor Index (.SOX), a key benchmark for the sector, has increased by approximately 33% this year, according to market data. This performance has substantially contributed to the S&P 500’s gain of nearly 14% over the same period. The surge is largely linked to high demand for advanced chips used in AI applications, with companies such as Nvidia experiencing major stock value increases.
Market data from LSEG Datastream indicates that the semiconductor index is trading at a forward price-to-earnings ratio of about 36. This figure is double its historical median of 18, a metric some analysts cite when discussing current market conditions. Another technical indicator, the relative strength index (RSI), which measures market momentum, recently stood at 77 for the semiconductor index. A level above 70 is often interpreted by analysts as a sign that an asset may be overbought.
Some financial strategists have expressed a cautious outlook. King Lip, chief strategist at Baker Avenue Wealth Management, stated that his firm has taken some profits from its semiconductor holdings. “A lot of the good news has been priced in,” Lip said, referencing the sector’s high valuations.
Similarly, Matthew Maley, chief market strategist at Miller Tabak, noted the RSI level as an indicator that the sector is “very overbought,” suggesting that a pullback in share prices could occur.
Other market participants maintain a more optimistic long-term view. Kevin Landis, a portfolio manager at Firsthand Capital Management, expressed the belief that the AI-driven trend has “a long way to go,” supporting continued investment in the sector.
Recent activity in the options market provides further insight into investor sentiment. Michael Purves, head of Tallbacken Capital Advisors, noted in a report that trading in Nvidia options showed a shift in demand. According to his analysis, there was comparatively less interest in upside call options, which bet on a stock rising, versus downside put options, which can be used to hedge against a decline. This can indicate that some investors are taking steps to protect their portfolios against potential volatility.

