NEW YORK (TheStreet) -- InterMune (ITMN) shares continue to climb on heavy volume Tuesday, up 0.2% to $73, after the company agreed to be bought by Swiss pharmaceutical company Roche for $8.3 billion.

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More than 12.5 million shares have been traded so far today, more than six times its three-month daily average.

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ITMN data by YCharts

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