Ridin' That Tech Train

Strong PC sales and big earnings buoy investors

All year long, as the bull market gathered a new head of steam and pushed through previous records, investors kept a careful eye on the technology stocks that have been such a huge factor in the market's rise. For months, any sign of trouble--real or imagined--sent tremors through the tech sector. By the end of the first half, the Standard & Poor's Computer Systems Index trailed the S&P 500 stock index by 2%.

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