Key TakeawaysChipotle shares climbed more than 3% in premarket trading Thursday after the fast casual restaurant chain served up quarterly earnings and revenue results ahead of analysts' expectations.The company reported same store sales growth in the period of 7%, helped by a 5.4% YOY jump in transaction volume.CEO Brian Niccol said that Chipotle saw growth across all income groups during the quarter.A close above the key $3,000 level in Chipotle shares would likely lead to a resumption of the stock's long ...