* Bernanke says U.S. should avoid double-dip recession
* Tech shares fall on broker comments, Microsoft
* Dow up 0.7 pct, S&P up 0.6 pct, Nasdaq off 0.6 pct * For up-to-the-minute market news see [
] (Updates to afternoon)By Rodrigo Campos
NEW YORK, June 8 (Reuters) - U.S. stocks mostly rose in volatile trading on Tuesday, lifted by materials and defensive plays, while technology shares fell as their exposure to European economies continued to trouble investors.
Buyers selectively chose defensive sectors and those with higher U.S. exposure, a day after Federal Reserve Chairman Ben Bernanke said the U.S. economy seemed to have enough momentum to avoid a "double-dip" recession. For details, see [
]"It may be a play on U.S. versus the rest of the world, where tech is probably the most export-oriented," said Jack Ablin, chief investment officer of Harris Private Bank in Chicago.
"Investors are sort of cautiously paring back their international exposure and even within the S&P 500, trying to position in a domestic theme."
Telecommunications services and consumer staples shares ranked among the top performers. AT&T <T.N>, a Dow component, rose 2.1 percent to $24.82.
The Dow Jones industrial average <
> gained 71.95 points, or 0.73 percent, to 9,888.44. The Standard & Poor's 500 Index <.SPX> rose 5.96 points, or 0.57 percent, to 1,056.43. But the Nasdaq Composite Index < > dropped 11.95 points, or 0.55 percent, to 2,161.95.As European Union finance ministers discussed how to reduce swollen budget deficits to contain a debt crisis, Spanish public service workers staged a one-day strike that underlined the problems governments face in implementing austerity measures. For details see [
]."Investors don't have the confidence that Europe will be able to address its shortfalls, or that European growth can recover enough to help these economies," said Charles Lieberman, chief investment officer of Advisors Capital Management in Paramus, New Jersey.
The technology sector was also hit after Bank of America-Merrill Lynch cut price targets on several Internet stocks, citing uncertainty over earnings due to the dollar's gains against the euro since April. Amazon.com Inc <AMZN.O> fell 3 percent to $118.35. [
]Another drag on tech was Microsoft Corp <MSFT.O>, which lost 1.3 percent to $24.97 after the Dow component said it planned to make a private offering of senior notes in a move to repay short-term debt. [
]An S&P materials sector index <.GSPM> rose 1.7 percent and ranked as the best-performing sector in the broad S&P 500.
Freeport-McMoRan Copper and Gold <FCX.N> rose 3.8 percent to $60.88 and U.S. Steel <X.N> gained 1.2 percent to $40.80.
The economy of Brazil, Latin America's largest, surged at its fastest pace in at least 14 years in the first quarter, fueled by strong investment and domestic demand, government data showed.
An index of New York-traded stocks of Brazilian companies <.BKBR> rose 1.4 percent.
"Emerging markets are leading markets higher (and) that may be pulling materials along," Ablin said.
McDonald's Corp <MCD.N> was up 1.8 percent at $67.94 after it reported a stronger-than-expected rise in global same-store sales in May. [
] (Reporting by Rodrigo Campos; Additional reporting by Ryan Vlastelica; Editing by Jan Paschal)