Marketing
Truffles are back at Shake Shack
The fast-casual burger chain is bringing back the Black Truffle Burger with melted gruyère and crispy sweet onions.
Financing
Fast-casual burger chains run into sales problems
The Bottom Line: Habit’s sales are falling and the chain just rebranded. Shake Shack is closing locations. BurgerFi is being sold on the discount rack. Here's what to make of it all.