Nasdaq OMX Group Inc. (NDAQ) has reported third-quarter results.  The company swung to a GAAP net income of $60 million or 28 cents per share compared to $69 million or 33 cents in the prior quarter and $58 million or 27 cents in the year-ago period. Results included one-time charges counting $25 million in debt conversion expense, $16 million in pre-tax expenses associated with asset retirements, workforce reductions and other non-recurring items, and $5 million in pre-tax merger expenses.  Excluding these charges, pro forma earnings per share came in at 42 cents, in line with the Zacks Consensus forecast. Results were aided by growth in the company’s core businesses and significant progress from new initiatives.  Net revenue (net of liquidity rebates, brokerage, clearance and exchange fees) slipped 4.9% sequentially and 12.5% year over year to $349 million. The decline was primarily attributable to foreign currency ...