3PAR (PAR) is up 70 cents to $26.79 and options volume is running 21X the average daily on speculation DELL might make a counter-bid for the storage device maker. H-P made a move to buy the company yesterday at a 33 percent premium over Dell Computer’s initial offer. PAR is up and it looks like some investors are indeed bracing for a sweetened Dell bid, as Sep and October 30 calls are seeing heavy trading and implied volatility is up 28 percent to 36.5.