Alzheimer’s has long been considered irreversible, but new research challenges that assumption. Scientists discovered that severe drops in the brain’s energy supply help drive the disease—and ...

Scientists may have pinpointed a way to reverse Alzheimer’s disease in an animal study. The study, led by University Hospitals Cleveland Medical Center, found that restoring a central cellular energy ...

Index funds track specific market indexes, enabling broad market investment with one fund. Investing in low-cost index funds minimizes fees, maximizing long-term investment growth. Choose index funds ...

TIOBE Index for January 2026: Top 10 Most Popular Programming Languages Your email has been sent January’s TIOBE Index begins the year with familiar names still setting the pace, but the underlying ...

Index funds provide instant diversification by tracking market indexes like the S&P 500. With low expense ratios and minimal turnover, index funds reduce management costs and taxes. Historically, ...

Ask a beginner retail investor what they think best predicts whether a fund will outperform, and the answers tend to vary. Some point to the long-running dominance of U.S.-focused funds as evidence of ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The three main differences between index funds and mutual funds are management style, investment objective and cost. Index funds tend to be the clear winner over the long term. Many, or all, of the ...

James McWhinney is a long-tenured Investopedia contributor and an expert on personal finance and investing. With over 25 years of experience as a full-time communications professional, James writes ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...