From SA...
Wednesday, April 10, 1:11 PM ET
UniPixel (UNXL +7%) spikes higher after Wellington Management discloses it had a 13.9% passive stake in the touchscreen film maker as of March 31, up from a prior 5.1%. Shares have risen 33% from their April 2 intraday low, after falling 35% from their March 28 intraday high.