In trading on Monday, shares of Sysco crossed above their 200 day moving average of $75.30, changing hands as high as $76.50 per share. Sysco shares are currently trading up about 1.9% on the day.

Sysco did not respond to CNN's request for comment.Listeria, a type of bacteria, is the third leading cause of death from foodborne illness in the US, killing about 260 people a year.Symptoms may ...