Chipotle Mexican Grill Inc (NYSE:CMG) shares are in the spotlight Wednesday. The stock began trading on a split-adjusted basis. What To Know: Chipotle’s 50-for-1 stock split became effective after the market close on Tuesday when shareholders of record as of June 18 received 49 additional shares for each share held. Chipotle began trading on a post-split basis on Wednesday and is seeing increased attention in early trading. “Today we celebrate the remarkable achievements of our employees by increasing ownership accessibility for team members and new investors,” said Brian Niccol, chairman ...