Tuchman also tracks exponential moving averages, rather than simple moving averages, to smooth out noise from volatility. Moving averages show the overarching direction the price is trending in; the ...

Luckily, a few subtle tweaks can turn your Excel charts from sad to slick. This isn't a design tip, but it's fundamental to ...

Mehtaab Sawhney, who joined Columbia last year, enjoys the thorny work of proving a seemingly straightforward statement of ...