Chipotle Mexican Grill Inc said it was served with a grand jury subpoena in relation to a criminal investigation into a norovirus contamination at one of its restaurants in California in August.
Shares of the burrito chain, which is already reeling under an E. coli outbreak linked to its restaurants, fell nearly 3 percent to $435.72 in early trading, their lowest in more than two years.
14:49 Trump warns of ‘retribution’ for companies that offshore jobs, threatening 35 percent tariff14
18:05 DP World, Quebec's Caisse to create C$5 billion investment vehicle16
16:38 Swift Energy completes $40 million sale of Louisiana asset10
13:19 New Abuelo's restaurant to open in Katy10