I thought it might be because their results for the 6 months are...

I thought it might be because their results for the 6 months are out soonish (end Jan??) and I assume we've must surely have had the 'highest ever sales' or something like that based on the previous quarter and the fact that the product is now back in stock most places. We've got so much money in the bank (more than the shares are currently worth) that every extra million we bank should add 1c+ to the SP so that might explain it, though having said all that, it's back down today, so may have simply been a new player coming in and taking a 6 - 12 month view to make 30 - 50% profit (at least I hope that's the case). I bought more recently at 7.6 and might buy more next week if it drops further.