Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

"Correlation doesn't imply causation, but it does waggle its eyebrows suggestively and gesture furtively while mouthing 'look over there.'" Randall Munroe, Science & Math Cartoonist Chances are when ...

With the explosion of interest in Big Data everyone in every department is looking for actionable intelligence. That’s great but there’s a downside: Trying to explain to, say, your VP of sales that ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...