The S&P 500 is experiencing its best midyear performance since the 1950s, prompting investors to decide whether to take profits now or hold for a potential year-end rally that could push stocks even higher. Historically, a strong summer rally often leads to continued gains into the colder months.

As October ended, investors looked ahead to the traditionally bullish November and December period, where the S&P 500 historically sees gains of around 3.1%. However, seasonal trends do not always guarantee market performance, as external factors like economic conditions and policy decisions can also impact stock prices.

Experts believe that macroeconomic forces, such as improved earnings growth and potential interest rate cuts from the Federal Reserve, could support a year-end rally in stocks. While the Fed recently cut interest rates, Chair Jerome Powell cautioned against expecting another reduction in December, causing investors to adjust their expectations.

While U.S. stocks saw gains in October, ongoing political issues like the government shutdown are looming over the market. With the shutdown entering its second month, concerns about its impact on consumer confidence and the economy are growing. Despite these challenges, stocks finished the month higher, with the S&P 500 posting a 2.3% gain.

Read more at Yahoo Finance: This stock-market rally isn’t letting up. Could it be making investors too greedy ahead of year-end?