Earnings season begins in earnest next week with several sector leaders in technology and banking posting quarterly numbers. On Tuesday, Intel (INTC) and Goldman Sachs (GS) are due with results. Xilinx (XLNX) issues its numbers on Wednesday, while Google (GOOG), Harley-Davidson (HOG), IBM (IBM), JPMorgan Chase (JPM) and Nokia (NOK) are out with financials on Thursday. General Electric (GE), Bank of America (BAC), and Citigroup (C) report results Friday morning....