In the United States, Rob Arnott, the founder and chairman of Research Affiliates, has made a bold prediction regarding the performance of the S&P 500 over the next decade. He asserts that the impressive 15.5% average annual returns seen over the last decade are unlikely to continue, primarily due to inflated valuations and stagnant earnings growth. According to Arnott, the current price-to-earnings (PE) ratio of 27.5 will shrink by approximately 3.4 points each year. As a result, the overall S&P 500 is expected to net an annual return of just 3.1%, factoring in dividends alongside the decline in the PE ratio. By the year 2036, he estimates the index will only reach 8,073, a mere 21% increase from the close of 6,672 on March 12 of this year. Arnott also highlights an alarming drop in the dividend yield, which currently stands at 1.2%, significantly lower than historical averages. He attributes much of the expected poor performance to both high valuations and the challenges of growing profits from oversized earnings. In light of these projections, Arnott recommends investors rethink their strategies, particularly advocating for a reduction or complete exit from U.S. stocks and growth stocks in favor of non-U.S. value stocks which are projected to offer much higher returns. His advice starkly contrasts with the prevailing sentiments on Wall Street, which have generally embraced a more optimistic outlook on the market.