WASHINGTON — By now we've all heard that the Pfizer COVID-19 vaccine has an efficacy rate of 95%, Moderna of 94%, and Johnson & Johnson about 66%; what you may not have known is that rate's technical ...

Market participants may observe that world markets have been moving in a synchronized fashion due to technical reasons such as capital flows as well as the increasingly interconnected nature of ...

The identification of environmental and genetic factors that contribute to disease risk requires appropriate statistical methods and software that can integrate different sources of risk, provide ...

What Is the Risk-Reward Calculation? Are you a risk-taker? When you’re an individual trader in the stock market, one of the few safety devices you have is the risk-reward calculation. The actual ...

Each month, I provide an update to my four dividend growth model portfolios that includes portfolio beta and other volatility-adjusted metrics, such as the Sharpe Ratio. Recently, I was asked by a few ...

Eligibility criteria for selecting studies We included cohort studies that explored the association between walking speed and the risk of type 2 diabetes in adults. We used random-effects ...