SP, page-16

With respect I don't think retail investors have been behind this. I can see a few institutional investors buying it all day over the past 2 days. The recent uptick suggests that they are scrambling for stock. The optimist in me suggests a takeover rumor, or news of a surprise positive announcement. Then again it may just be a few wholesale investors looking at taking a large position. Hopefully we get a holder update soon to clarify this a bit