Wall Street is wagering that declining interest rates and robust corporate profits will suffice to secure another year of stock market increases. It’s going to be tight.
Following three consecutive years of double-digit percentage gains, from 2023 to 2025, the S&P 500 and other major U.S. indices begin their fourth year of growth with overvalued positions in many large stocks and a more uncertain economic outlook. There are sufficient positive factors to offer investors and analysts optimism, but some fear there may not be enough to maintain the momentum seen in 2025.
“We likely have a decent market, but certainly not the one we’ve experienced in recent years,” said Mark Hackett, chief market strategist at Nationwide.
The S&P 500 increased by 16% during the previous year, witha resilient economy, renewed interest-rate reductions and excitement around artificial intelligence drove the benchmark index to 39 new highs. The Dow Jones Industrial Average rose 13% while the Nasdaq composite increased by 20%.
Wall Street analysts and strategists anticipate that the current trend will persist in 2026. Bank of America forecasts the S&P 500 to hit 7,100 by the end of this year, representing a 3.7% increase from the 2025 closing value. JPMorgan Chase and Goldman Sachs predict the key index will reach 7,500 and 7,600, respectively.
Some investors expressed caution, noting that their optimism, given the previous gains, is a cause for concern. The S&P 500 increased by approximately 80% from the beginning of 2023 up to New Year’s Eve, a rapid growth rate that will be difficult to sustain in most scenarios, they added.
“It is wise for investors to maintain a degree of doubt when there is widespread agreement that everything will remain favorable,” said Steve Sosnick, chief strategist at Interactive Brokers.
The ongoing rally is becoming lengthy, especially when measured against previous market cycles. If the S&P 500 increases in 2026 for the fourth year in a row, it would mark the longest such period since 2007, when the benchmark achieved a five-year consecutive gain. Throughout the index’s history, there have only been five instances of four or more years in a row of gains, as reported by Dow Jones Market Data.
In the upcoming days, investors will have their next opportunity to assess the state of the economy through the December employment report. Businesses will also start releasing their financial results, with major banks such as JPMorgan Chase, Wells Fargo, and Citigroup expected to announce their outcomes in the coming weeks.
The 2025 surge extended beyond just stock markets. Gold and silver experienced their strongest year since 1979, while bonds had their best performance since 2020. A new wave of enthusiasm from retail investors led to the emergence of a new group of meme stocks and pushed options trading volumes to record levels once more.
A anticipated benefit for the market this year is reduced interest rates. The Federal Reserve has planned a quarter-point decrease for this year, and some believe that President Trump’s selection for the next Fed chair, following Jerome Powell’s term ending in May, may adopt a more accommodative stance. Tax reductions are also expected to enhance corporate finances.
Yet, there are also indications that prices have risen too much, too quickly. The price of bitcoinfinished last yearunder $88,000 after dropping over 30% from its peak above $126,000 reached in early October. Numerous meme stocks that experienced significant increases have also declined just as rapidly.
Some experts are also worried that the significant increases in artificial intelligence stocks, which have driven much of the market’s growth in the last three years,have limited roomto proceed further. Although many think AI will be a game-changing technology for the economy, they worry that the expected returns from the huge investments made by the leading AI companies will be hard to achieve, possibly affecting future profits.
Stock prices also appear high. Firms in the S&P 500 are currently valued at 22 times their projected earnings for the next 12 months, exceeding their 10-year average of 19 times. Approximately half of the valuation indicators for the S&P 500 monitored by Bank of America are now above the levels observed in March 2000, which was just before the dot-com bubble collapsed.
Many believe the economy will keep performing well and offer new support for the stock market’s upward trend. The U.S. economy showed strength last year despiteTrump’s tariffs, ongoing inflation and immigration disruptions, as Americans keep spending and companies keep investing huge sums in data centers and other essential components of AI infrastructure.
Corporate profit growth is anticipated to stay strong. According to analysts surveyed by FactSet, firms in the S&P 500 are projected to see a 15% increase in earnings this year, representing the highest yearly growth rate since 2021.
“In the base case, the economy has enough momentum,” stated Mark Luschini, chief investment strategist at Janney Capital Management.
Write to Krystal Hur atkrystal.hur@wsj.com