For more than two millennia, mathematicians have produced a growing heap of pi equations in their ongoing search for methods to calculate pi faster and faster. The pile of equatio ...

Abstract: In view of the abundance of movie reviews of varying quality available on movie review websites, current selection algorithms are ineffective, leading to ‘information overload.’ This study ...

Abstract: Stock prices are characterized by non-stationarity and volatility, and investors are easily influenced by their own emotions, and their investment decision-making behavior is characterized ...

The SPDR NYSE Technology ETF (NYSEARCA:XNTK) offers something most tech ETFs don't: equal-weighted exposure to the full technology spectrum. While mega-cap funds like QQQ concentrate 40% of assets in ...