Modern smartphones rolled out in 2007, the year that fertility rates began falling. Two studies say that is not a coincidence. By Sabrina Tavernise The enduring mystery of the fertility decline has a ...

Multibagger stocks can drive portfolio returns. This research shows why profitability, valuation and holding through volatility matter.

Not long ago, Colorado, Washington, and Oregon were widely hailed as states with bright futures. For decades, they attracted scores of out-of-state migrants, turning Denver, Seattle, and Portland into ...

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 ...

Two clinical psychologists have claimed that Donald Trump is showing a clear sign he is "aware that he's losing it" as they allege the president knows he is in "some kind of cognitive decline" and ...