Peabody Energy Corp. President & CEO Glenn Kellow, second from right, joined by company CFO Amy Schwetz, rings a ceremonial bell as his company's stock begins trading on the floor of the New York Stock Exchange, Tuesday, April 4, 2017. The nation's largest coal producer, Peabody Energy Corp., said Monday that it has emerged from bankruptcy protection after a year. The St. Louis company said it reduced costs and slashed its debt load by more than $5 billion in the past year. (AP Photo/Richard Drew)