Chipotle shares dipped more than 15% yesterday after the burrito restaurant wrapped up its latest quarter with flat same-store sales and falling traffic. The fast-casual chain also slashed its annual sales guidance for the third quarter in a row. TikTokers using “hacks” to get an extra scoop of beans aren’t to blame for Chipotle losing its line. Instead, CEO Scott Boatwright said the reason’s simple: People aren’t eating out as much, let alone splurging for extra guac. SUBSCRIBE:  Receive more of our free ...