S&P 500 concentration risk is surging—the top 10 now make up 41%. See a quant-optimized 15-stock barbell from Strong Buy picks for better diversification.

Day trading might seem like a fast-paced and exciting way to make money, but the truth is more mundane. Day trading is a grind, requiring participants to spend long hours in front of screens watching ...

Laurie Sepulveda is a MarketWatch Guides team senior writer who specializes in writing about insurance, investing, personal loans, home equity loans, mortgages and banking. She lives in North Carolina ...

In this article, we develop a mean reversion strategy applied to a basket of stocks. The trading logic is straightforward: buy after short-term bearish moves and close the position when price returns ...

Before joining Investopedia, David Marino-Nachison was an editor at The Wall Street Journal focused mainly on daily markets and investing news. He also worked on The Journal’s publishing desk; as a ...

US stocks edged higher Tuesday in volatile trading as Wall Street continued assessing the AI jitters that have hammered markets in recent weeks. Apple (AAPL) shares gained more than 3% over optimism ...

The federal holiday observed on the third Monday in February is officially Washington's Birthday. Many states refer to the holiday as Presidents Day to also honor Abraham Lincoln or all U.S.

Another trading break is right around the corner. U.S. stock and bond markets are closed Monday, Feb. 16, to mark Presidents' Day, which is when the birthday of former President George Washington is ...

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 ...

Online trading platforms have revolutionised the do-it-yourself investing process. They enable individuals to buy and sell company shares without using an intermediary, and provide access to retail ...