TEWKSBURY, Mass. (AP) — A New England supermarket chain that has been in turmoil for weeks over a workers' revolt and customer boycott has announced that the former CEO will buy a majority stake in the business. Market Basket said in a statement late Wednesday that former CEO Arthur T. Demoulas would be returning to the company and that he and his management team would handle day-to-day operations while the purchase is completed. Arthur T.