If Excel vanished tomorrow, global finance would halt. It is the essential infrastructure powering the modern world.

Going to the database repeatedly is slow and operations-heavy. Caching stores recent/frequent data in a faster layer (memory) ...

For situations where you don’t have your full tool kit by your side, jump into action like a real-life MacGyver using a multitool. These handy pocket-size companions have come a long way from the ...

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, ...