For investors, concentration risk can cut both ways in regard to one's portfolio return. So long as performance is centered in those handful of stocks, the investor benefits. Recently, a number of ...

We found that people with more experience in mathematics enter a special state of deep concentration when thinking about challenging math problems. Understanding that state could help scientists ...

Several techniques may help improve concentration, some with more research support than others. However, different methods work for different people, so it may help to try a range of techniques.

Since many investors aim to beat the market, they may wish to revisit the issue of diversification versus concentration in their portfolio choices. While diversification is a good way to preserve ...