NEW YORK — Chipotle, which has been working to revive its business after past food safety scares, says a key sales figure rose as it increased prices in most of its restaurants. Related Articles Colorado CEO-worker pay ratio list Colorado CEOs earn in three days what the typical worker earns in a year, new disclosures show Denver-based Chipotle Mexican Grill sees securities fraud suit against it dismissed After the results were released, shares of Chipotle Mexican Grill Inc.