Gap's (NYSE:GPS) same-store sales in June rose 7%, much higher than the 4.7% that analysts were expecting. Helping to boost the results was Old Navy, which delivered a same-store sales increase of 13%. Motley Fool analyst Ron Gross shares what's behind Gap's incredible turnaround, and a stock price that's hitting a 13-year high.

Chris Hill has no position in any stocks mentioned. Ron Gross has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.