Dick’s Sporting Goods is buying the struggling footwear chain Foot Locker for about $2.4 billion, the second buyout of a major footwear company this year as business leaders struggle with U.S.

But it remains to be seen whether or not it can actually pull off that feat—and Wall Street has doubts. Dick's shares were down 13% on Thursday morning, while Foot Locker shares nearly doubled on investor relief about the potential advantages for a long-declining stock.