Shares of Foot Locker (FL) broke out of a base Thursday ahead of the retailer’s earnings report. The sneaker chain topped the 63.76 buy point of a base-on-base pattern. Shares climbed 0.51 to 64 in volume more than double its average. Canaccord Genuity said it is positive on the company, which reports results for the April-ended quarter Friday morning. “Based on store checks, we believe basketball continued to outperform …