It took 125 years, but in 2025 a team of mathematicians discovered the solution to a long-puzzling problem about the ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Basic earnings per share (EPS) tells investors how much of a firm's net income ...

I recently saw a coworker type out a SUM formula in Excel to get a quick total, only to delete it a second later. When I showed him a pro shortcut hidden in plain sight, he realized he'd been wasting ...

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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...