Bloomberg Businessweek

Bloomberg Markets with Carol Massar and Cory Johnson.\u0010\u0010GUEST:\u0010David Wilson\u0010Stocks Editor\u0010Bloomberg News\u0010Discussing his "Stock of the Day" Universal Display (OLED). Universal Display Corp.'s shares are headed for their biggest one-day gain in 3 1/2 years or more after first-quarter results were well received. The provider of flat-panel display techno-logy and materials posted an unexpected profit for the period. Revenue beat analysts' average estimate in a Bloomberg survey by 64 1/2 percent, the widest margin since 2011.