** Shares of U.S. footwear retailer Caleres CAL.N fall 1.3% to $13.86 premarket

** Caleres, whose Stuart Weitzman brand is sold at Saks Global stores, on Wednesday warned of potential Q4 earnings volatility linked to the bankruptcy of the high-end department store conglomerate

** Co says the bankruptcy could pose a risk of up to 6 cents per share to Q4 earnings forecast

** Names Dan Karpel as interim chief financial officer as current CFO Jack Calandra to step down by month-end

** In 2025, CAL fell about 47%

(Reporting by Angela Christy M)