On Tesla’s Very, Very Good Day

Tesla soared to over a trillion-dollar market cap on news that Hertz was buying thousands of their cars, and Elon Musk went from being very rich to unthinkably rich. How did one man earn $25 billion in one day, and why are so many outraged about it?

Why People Hate Short Sellers

Short selling isn’t just about betting against bad companies, but it’s also about understanding why companies are bad and when markets are wrong. To understand the importance of short selling, we first need to look at what it is, how it works, and why it’s so unpopular amongst amateurs.

The Slow Death of a Controversial Formula

One valuation metric is so popular and powerful that it has changed not just the way financiers operate, but the entire world itself. This formula has caused political controversy and scandal–not bad for some basic algebra. What is this formula and why has it become so controversial?

A Capital Structure Refresher

To understand how the global economy nearly fell into absolute chaos and the earth faced a near apocalyptic disaster in the late 2000s, we need to understand what a debt is. This simple concept–the idea of the capital structure–was behind one of the most dangerous and tumultuous moments in recent history.