Lacking other news, the two press releases below could be the key to why the SP ran-up yesterday: Cash infusion ($39B company buys license) + reminder that PTSC intends to buy shares periodically.

Does anyone remember how long after their last purchase PTSC made it public?

Royal Philips Electronics has purchased a Moore Microprocessor Patent(TM) (MMP) Portfolio license.

CARLSBAD, Calif., Sept 27, 2007 -- Patriot Scientific (OTC Bulletin Board: PTSC) announced today that the company has recently purchased shares of its common stock on the open market. The purchases were part of a previously announced program in which the company has said that it plans to repurchase shares of the company's outstanding common stock from time to time.