Worries about the spreading Greek debt crisis coupled with reports of weak retail sales sent U.S. stock prices plunging Thursday, with the Dow Jones industrial average shedding nearly 1,000 points ...

Small businesses have discovered a new math. Brick and mortar retailers learned that joining forces with other business owners improves foot traffic. Stores, shops, restaurants, even wineries and ...

At this time of year, it is natural for investors to want to make adjustments to their portfolios. This is also the time when folks tend to peer into their crystal ball and try to figure out what to ...

So far in 2014, the action in the stock market SPY has been fairly sloppy. Despite the traditional strong seasonality (which ends shortly by the way) and the flow of new money that tends to occur at ...

A TKer subscriber recently pointed out that if your investment is down 20%, then you’d need a 25% gain from the current level to return to the initial level. For example, if your investment of $100 ...

If you want to figure out whether the stock market is crashing or just correcting, you need to be more than just a math whiz. You also have to know a little about interest rates and the economy, and ...

There's still no cure for AIDS, but scientists are using a mathematical model that might help them design more effective drugs and develop a vaccine for AIDS. There are 100 billion new particles of ...

The stock market rally following Donald Trump's surprise White House win has made an already expensive U.S. stock market even more so, raising questions about whether Wall Street is pricing in a ...

For decades, educators have assumed that learning arithmetic in school helps students solve real-world problems. Yet, a new study published in Nature by a team of researchers including Nobel laureates ...

Fourteen years ago, an American professor traveled to South Korea on sabbatical and came away so impressed with that country’s math textbooks and teaching materials that she decided to have an entire ...