Sensor maker NVE Corp (Ticker: NVEC)

Listen to NVEC earnings report and you'll understand why it jumped 25% in one day. They have some interesting products, seem to be making 70% profit margins and they are a supplier to Freescale Semiconductor, a customer that could put them way over the top. NVEC also has some important patents. There is a float of less than 5 million shares available. NVEC also seems to have a great management team. They have reduced debt and are profitable.