Average daily option volume in this name is less than 2500 contracts but has spiked recently, with yesterday seeing 6900 contracts, and follow through today with another 7400 contracts changing hands. Yesterday?s flow was bullish, with 5290 calls trading and a focus on new positions in the Jan-08 5 and 7.5 strikes when the stock was near $7.58. Today the stock is up 20% to 9.29 and the bullish flow persists, with buyers of the December 10 calls paying from a nickel to 40cents for a total of 1700 contracts so far. With only 2 days left to expiry, these buyers may be locking in gains from short call positions or protecting themselves in case of a takeout. Stock is difficult to borrow, suggesting a short-squeeze may also contribute to upside potential