Hollis JohnsonPeople are starting to go cuckoo for carnitas and bananas for barbacoa again, but the turnaround is taking too long for a notoriously impatient stock market. Shares of Chipotle hit another four-year low last week, held back by another wave of bad publicity and a mixed quarterly report. Chipotle stock seemed poised to bounce back earlier this year, rising in four of the first five months of 2017.