MINYANVILLE ORIGINAL China’s once-in-a-decade leadership reshuffle saw Zhang Dejiang who studied economics at Kim Il Sung University in Pyongyang promoted to its Politburo. Because naturally North Korea can teach us so much about how to efficiently run an economy. To be fair this is shaping up to be a decent day for Banana Republic owners what with Gap Inc (NYSE:GPS) just upgraded and surging some 5.17% before the opening bell.    Wal-Mart (WMT) whose 2.1 million strong workforce is second worldwide only to Beijing’s People’s Liberation Army declined 3.63% to lead Dow (^DJI) laggards after losing a big earnings battle. Diamond Foods (DMND) tumbled 21.23% after ...