Stock Market Returns Following Streaks of Double-Digit Gains
Large-cap stocks realized double-digit gains for a third consecutive year in 2025. This was just the eighth streak of at least three years to occur since 1926.
What does the past tell us about what to expect for the S&P 500 index in 2026? Curious myself, I looked at the data while preparing my slides for the AAII Dividend Investing (DI) presentation I gave last week.
Let’s look at what happened after each of those occurrences. Stocks, Bonds, Bills and Inflation (SBBI) large-company data is used for all periods prior to 2023 because the S&P 500 was not created until 1957.
1926–1929: Large-cap stocks gained 11.6% in 1926, 37.5% in 1927 and 43.6% in 1928. The stock market crashed on October 24, 1929, referred to as Black Thursday, and the Great Depression ensued. Notably, large-cap stocks ended 1929 down just 8.4% for the full calendar year. The losses in 1930 and 1931 were far more substantial.
1942–1945: Stocks have tended to do well during times of war, and World War II was no exception. The demands of battle boosted economic production, and stock prices reacted accordingly. Large-cap stocks gained 20.3% in 1942, 25.9% in 1943, 19.8% in 1944 and 36.4% in 1945. The streak ended in 1946 as inflation shot up in response to postwar demand for goods rising faster than supplies.
1949–1952: The U.S. economy was still experiencing a post–World War II expansion when the Korean War broke out. In response to the new war, government spending increased. At the same time, President Harry Truman instituted price controls in response to inflationary pressures and raised taxes to cover the higher fiscal spending. Large-company stocks rose 18.8% in 1949, 31.7% in 1950, 24.0% in 1951 and 18.4% in 1952. They then fell a very modest 1.0% in 1953 as fighting stopped in what has become a multidecade truce.
1963–1965: Large-cap stocks followed a 22.8% jump in 1963 with 16.5% and 12.5% gains in 1964 and 1965, respectively. A combination of events led to these good returns. The Kennedy Slide of 1962 lowered valuations. The Go-Go years followed with renewed interest in stocks and growth in mutual funds. Technology stocks caught the eye of investors. Then, a 1966 bear market caused by high inflation, tightening monetary policy and the then-escalating Vietnam War ended the streak.
1995–1999: This was the only five-consecutive-year streak of double-digit gains for large-cap stocks since 1926. Gains of 37.6% in 1995, 23.0% in 1996, 33.4% in 1997, 28.6% in 1998 and 21.0% in 1999 were realized. The dot-com bubble that formed over this period was caused by the release of web browsers, the launch of Yahoo’s search engine and rising sales of personal computers. The bubble peaked in early 2000, followed by both a bear market and a recession.
2012–2014: Following the market’s 2011 jitters over the Greek debt crisis, large-cap stocks rose as the economy grew, interest rates remained low and the housing market continued to recover from the global financial crisis. Large-cap stocks reflected the improving environment by rising 16.0% in 2012, 32.4% in 2013 and 13.7% in 2014. A crash in Chinese stocks along with Greek defaulting helped lead to a flat stock market in 2015.
2019–2021: Other than the very short bear market of February and March 2020, the coronavirus pandemic did not stop large-cap stocks from following 2019’s 31.5% rise with an 18.4% gain in 2020 and a 28.7% jump in 2021. Interest rates were low, and the economy was growing in 2019. Both monetary and fiscal stimulus combined with the quick development and release of vaccines helped extend the good returns during the pandemic. Rising inflation led to the 2022 bear market.
2023–2025: The inflation pullback, loosening monetary policy and the rapid growth of artificial intelligence (AI) are responsible for the current streak of double-digit gains. Last year’s 17.9% rise was preceded by gains of 26.3% in 2023 and 25.0% in 2024.
As you can see, five of the seven prior streaks of double-digit gains ended after three years. The 1949–1952 streak lasted four years, while the dot-com bubble streak lasted five years.
Notably, though losses were realized in six of the seven years following those streaks, most of those calendar-year losses were modest.
When looking at the data, it is important to understand that bull markets don’t die of old age. Rather, an event or combination of events occurs to end them. We can say the same about streaks of double-digit gains. The good run for stocks will continue until something disrupts it. The uncertainty of what that will be and when it will occur is part of the embedded risk of investing.
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AAII Sentiment Survey
Optimism among individual investors about the short-term outlook for stocks increased in the latest AAII Sentiment Survey. Meanwhile, both neutral sentiment and pessimism decreased.
Bullish sentiment, expectations that stock prices will rise over the next six months, increased 7.0 percentage points to 49.5%. Bullish sentiment is unusually high and is above its historical average of 37.5% for the seventh time in 10 weeks. Optimism was last higher on November 14, 2024 (49.8%).
Neutral sentiment, expectations that stock prices will stay essentially unchanged over the next six months, decreased 5.2 percentage points to 22.3%. Neutral sentiment is unusually low and is below its historical average of 31.5% for the 78th time in 80 weeks.
Bearish sentiment, expectations that stock prices will fall over the next six months, decreased 1.8 percentage points to 28.2%. Bearish sentiment is below its historical average of 31.0% for the fifth time in seven weeks.
The bull-bear spread (bullish minus bearish sentiment) increased 8.8 percentage points to 21.3%. The bull-bear spread is above its historical average of 6.5% for the 11th time in 50 weeks.
This week’s special question asked AAII members how their portfolio performed in 2025 relative to their expectations.
Here is how they responded:
Much better than I expected: 21.3%
Better than I expected: 46.6%
Close to how I expected: 20.2%
Worse than I expected: 9.1%
Much worse than I expected: 2.0%
This week’s Sentiment Survey results:
Bullish: 49.5%, up 7.0 points
Neutral: 22.3%, down 5.2 points
Bearish: 28.2%, down 1.8 points
Historical averages:
Bullish: 37.5%
Neutral: 31.5%
Bearish: 31.0%
See more Sentiment Survey results.



