Market Preview: Futures suggest a weak open, with benchmark S&P -0.5% as heavy losses in...

|By:, SA News Editor
Market Preview: Futures suggest a weak open, with benchmark S&P -0.5% as heavy losses in Asia and Europe are compounded by continued concerns over Greece, Goldman Sachs (GS -1.1%) and financial reform. Today's jam-packed calendar, including testimony by Goldman's Lloyd Blankfein and Fabrice Tourre, will give investors plenty to chew over.