By Joe Bel Bruno, AP Business Writer NEW YORK — Stocks finished a strong week with a mixed performance Friday after disappointing tech earnings punctured investors' enthusiasm over better-than-expected results from banks. But the major indexes still ended the week with big gains, thanks to rising optimism about the troubled financial sector. Citigroup reported a smaller-than-expected second-quarter loss Friday. After rising more than 480 points Wednesday and Thursday, the Dow Jones industrials is closing up about 49 points at the 11,496 level. But the Nasdaq composite index was down after disappointing earnings from Google, Microsoft and Advanced Micro Devices. At the closing bell, preliminary figures showed the Dow up 49.91 points or 0.44% to 1,496.57; the S&P 500 stock index was barely up 0.36 of a point or just 0.03% to...
[read full story]