NEW YORK — Stock prices rose for a second straight day Friday as bargain-hunting investors extended a broad rally in technology stocks.

        The advance, the first time since Labor Day that Wall Street put together back-to-back rallies, helped the market rebound from a turbulent week that included Wednesday's 433-point intraday plunge in the Dow Jones industrials. This was also the first time in seven weeks that the major indexes all posted a weekly advance.

        After spending the early part of Friday's session in negative territory, the Dow recovered to close up 83.61 at 10,226.59. For the week, the Dow rose 34.41.

        Broader indicators were also higher. The Nasdaq composite index rose 64.54 to 3,483.14, giving the high-tech dominated index a 166.37-point advance for the week. The Standard and Poor's 500 index was up 8.17 at 1,396.93, giving the S&P a weekly gain of 22.76.

        “Most of the bad news is out of the way. We're having a rally based on stocks being as cheap as they've been in a long time,” said Barry Berman, head trader for Robert W. Baird & Co.

        Technology issues continued their upward trek, lifting the Nasdaq. Microsoft trad ed up $3.31 at $65.19, extending a nearly 20 percent gain from the previous session. Chip maker Intel, another bellwether issue, was also up again, rising $1.13 to $43.06.

        With earnings reports from most of the widely-held bellwether companies already announced, Mr. Berman said the one remaining concern on investors' minds is the unstable situation in the Middle East, where skirmishes between Palestinians and Israeli troops intensified Friday despite a truce announced earlier this week.

        “We'll see next week whether that resolves itself,” said Mr. Berman, the Baird analyst.

        Analysts said the sell-off in blue chip stocks early Friday was typical for the session immediately following a strong move upward.

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