Executive describes sustainability challenges posed by pandemic.

Share price falls 27% after company details 64% drop in profit.

Net income climbs 29% in first quarter.

Market share gain comes in breakfast food.

Company says it’s investing $1 billion in stores, employees.

Strengthening communication has helped Flowers establish credibility.

Transition into new facilities, higher input costs weigh on profitability.

Lucy Brady to join company from McDonald’s.

The transaction adds to Batory’s capabilities in precision blending.