Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Immersion Corp (IMMR), where a total volume of 3,378 contracts has been traded thus far today, a contract volume which is representative of approximately 337,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 70.8% of IMMR's average daily trading volume over the past month, of 477,435 shares..

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