Quartz (qz.com) is a prime offender of the last one. They have little "chart of the day"s, and every time the scale is fit so that the graph minimum is at the b

Quartz (qz.com) is a prime offender of the last one. They have little "chart of the day"s, and every time the scale is fit so that the graph minimum is at the bottom of the scale, and the max at the top for maximum variation.