December 3, 2023


The U.S. stock market has experienced a robust rally this year, with the S&P 500 up over 13% since the beginning of the year. However, some Wall Street banks are urging caution, citing stretched valuations that could make equities more susceptible to declines. As stock prices have soared, valuations have reached historically high levels, prompting concerns about potential market corrections. This blog post will analyze the factors contributing to the cautionary sentiment and explore the potential implications for investors.

Valuation Concerns and Historical Precedence:

The S&P 500’s current valuation stands at 19 times its expected 12-month earnings, significantly higher than its historical average of 15.6 times. Similar valuation levels in the past have often been followed by periods of volatile performance. According to Goldman Sachs, when valuations are at or above current levels, the S&P 500 has experienced a median drawdown of 14% over the next 12 months, compared to the typical 5% drawdown over a year. These historical patterns highlight the potential vulnerability of the market at its current valuations.

Cautionary Catalysts:

Several catalysts could cloud the outlook for the stock market. These include unexpected weakness in economic growth, a more hawkish stance from the Federal Reserve than anticipated, and a rebound in inflation. Investors are concerned that any of these factors could negatively impact market sentiment and trigger a correction. With these potential risks in mind, investment institutions like Wells Fargo Investment Institute (WFII) have downgraded the technology sector due to “unattractive” valuations.

Stretched Valuations in the Nasdaq 100:

The Nasdaq 100, which has seen a remarkable 36% rally this year, faces even more stretched valuations. Trading at nearly 27 times forward earnings estimates, compared to its historical average of 19.3 times, the index has become increasingly expensive. The challenge lies in justifying these high valuations, particularly as the earnings outlook for high-growth companies in the Nasdaq 100 appears more tepid compared to the previous year.

Emerging Weakness in Technical Indicators:

Technical indicators related to trends and momentum are showing signs of weakness, according to Michael Purves, CEO at Tallbacken Capital Advisors. The momentum-driven rally, driven by the fear of missing out (FOMO), is starting to lose steam. Purves suggests that this could be a warning sign that the market is entering a more cautious phase.

Considerations and Future Outlook:

Investors will closely monitor economic data, including key inflation indicators, as the second quarter comes to an end. While there are indications that the rally could continue, with stocks in a potential “bull market” phase, caution is warranted due to stretched valuations and historical precedents. A broadening rally beyond the technology sector could provide some optimism, but a potential pullback after the index’s recent surge above its technical trend lines is also a possibility.


As the U.S. stock market continues its rally, concerns regarding stretched valuations are emerging among Wall Street banks. With the S&P 500 trading well above its historical average, cautionary sentiments are being voiced by financial institutions. Potential catalysts, such as economic weakness, Fed policy changes, and inflationary pressures, could lead to increased market volatility. Investors are advised to consider downside protection and monitor market developments closely to make informed investment decisions.

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