“Why Tesla is like a young avocado tree” — Visa’s swipe tax. BP’s empire. Tesla’s Elon-sanity.

Summary: Snackers want to know why Tesla stock has surged a freakish 60% in the last week, and the answer lies in avocado trees and orange groves. Visa is already Earth’s biggest payment processor, but now it’s making the biggest change to credit card transactions in a decade: AKA, “the swipe tax.” And BP’s oil empire is getting harvested by BP.