The U.S. stock market's bull run is almost three years old, but if history is a guide, that would make it only middle-aged.

Stock prices keep rising, even as the shutdown delays important economic reports that usually steer trading. The S&P 500 and Dow Jones Industrial Average set all-time highs Oct. 3. It's not just Big ...

Natalie Campisi is a senior journalist who covers personal finance, balancing timely news with in-depth enterprise reporting. Her mission is to make complex financial issues clear and accessible for ...