By Jennifer Sieg Mining giant Anglo American says prospects “have rarely looked better” as part of its performance update to investors today. In a global battle for minerals, Anglo American chief executive Duncan Wanblad said he believed his firm’s ability to tap “world class” assets would ensure “ever more attractive” demand. “Operationally, we are improving cost performance and cash generation by reconfiguring a number of our assets to adjust the production profile to near term constraints and market conditions, and thereby also protect longer term value,” Wanblad said. The improvements are …