Chipotle shares cratered 15% Thursday after the burritos-and-bowls chain reported a decline in store traffic and slashed its sales forecast.Net sales at the fast-food chain jumped 7.5% to $3 billion in the third quarter, just a tad below Wall Street estimates of$3.03 billion.But CEO Scott Boatwright warned the chain is struggling to hold onto its customers amid “persistent macroeconomic pressures.” 3 Chipotle shares cratered after it reported a decline in store traffic and slashed its sales forecast. Get ...