Foot Locker (FL) shares stumbled 6% in morning trading after the athletic footwear and apparel company reported disappointing fourth-quarter profits. Excluding charges, it met Wall Street views of 73 cents per share, but that was with an extra week vs. the year-ago period. Factoring out the extra week, earnings were only 64 cents. With the benefit of the extra week, sales in the quarter grew 14% to $1.7 billion. The quarter ended Feb. 2. "This was