) are higher on the session by 3.34%, currently trading at $25.68. The stock has been a relative outperformer as of late and is still trading above the 50-day moving average. Calls are being purchased on the name today as well. The July $30 strike was purchased 1,000 times earlier in the session; open interest was only 569 contracts, signaling new, bullish activity. Call activity is now running at 11.89x the daily average. Rubicon Technology, Inc. is an electronic materials provider, which develops, manufactures and sells monocrystalline sapphire and other crystalline products for light-emitting diodes (LEDs), radio frequency integrated circuits (RFICs), blue laser diodes, optoelectronics and other optical applications.