<div><p>NEW YORK (Reuters) - The heads of the top U.S. stock exchanges have poured cold water on the Obama administration's plan to bar banks from proprietary trading.</p><p>The chief executive of NYSE Euronext <NYX.N> said on Tuesday the president's plan falls ...

<div id="subtitle">Nasdaq OMX CEO Bob Greifeld says interest rate swaps are largest untapped market for company</div><div><p>Nasdaq OMX Group Inc., which operates equities and options exchanges in the U.S. and abroad, reported a better-than-expected fourth-quarter profit on Monday. Revenue declined, however, as trading volumes and pricing ...

<div id="subtitle">Nasdaq OMX 4th-quarter profit rises 23 percent as special charges, tax payments shrink</div><div><p>Eroding market share and weaker trading volumes hurt Nasdaq OMX Group Inc.'s fourth-quarter revenue, but sharply lower taxes and fewer charges helped the global exchange operator report better-than-expected profit growth.</p ...