NYSE Euronext shareholders approved the company’s $9.43 billion takeover by Deutsche Boerse AG, bringing the deal to create the world’s biggest bourse operator a step closer to completion.   The all-stock transaction would give Frankfurt-based Deutsche Boerse 60 percent of the combined entity. Still pending is the July 13 deadline for at least 75 percent of Deutsche Boerse holders to favor the plan. Deirdre Bolton reports on Bloomberg Television’s "In the Loop."