Stock Highlights: GT Advanced Technologies (NASDAQ:GTAT), Comcast (NASDAQ:CMCSA), Republic Airways Holdings Inc. (NASDAQ:RJET), Scholastic Corporation (NASDAQ:SCHL), Calgon Carbon Corporation (NYSE:CCC)

GT Advanced Technologies Inc. (NASDAQ:GTAT) stock tanked after it became clear that Apple Inc. (AAPL) new iPhone 6would feature an ionized glass screen with an oleophobic coating rather than the much-touted sapphire glass. Even though the Apple Watch will sport a sapphire glass screen, it will be released early next year and its success has been questioned by many. GTAT shares fell approximately 25% following the Apple event, to their lowest level since May of this year. However, GTAT stock is trading up 8% and has pared some of their losses. Bidness Etc believes that the pull back is a temporary phenomenon arising from short sellers booking profits and covering their positions. GT Advanced Technologies Inc. (NASDAQ:GTAT) belongs to Technology sector. Its net weekly performance is -24.54%. On last trading day company shares ended up $12.82. GT Advanced Technologies Inc. (NASDAQ:GTAT) distance from 50-day simple moving average (SMA50) is -20.48%.

On Sep 11, 2014 Comcast Corporation (NASDAQ:CMCSA) announced a series of corporate officer-level promotions and a new hire. Rudy N. Brioché, Lindsey Dickinson, David Don, Jordan Goldstein, and Sam Lancaster have all been promoted to Vice President, based in Washington, D.C., and Julie Laine has been hired as Vice President, based in Philadelphia, PA. Comcast Corporation (NASDAQ:CMCSA) shares increased 0.18% in last trading session and ended the day at $57.08. CMCSA Gross Margin is 69.10% and its return on assets is 4.80%. Comcast Corporation (NASDAQ:CMCSA) quarterly performance is 9.24%.

Republic Airways Holdings Inc. (NASDAQ: RJET) reported preliminary passenger traffic results for August 2014.The Company generated more than 1 billion revenue passenger miles (RPMs) in August, an 11% increase over the same period in 2013, on a 9% increase in available seat miles (ASMs). Block hours increased 2%, and the load factor increased one percentage point from the same period in 2013. Republic Airways carried more than 2 million passengers, a 5% increase compared to August 2013. On 12 September, Republic Airways Holdings Inc. (NASDAQ:RJET) shares decreased -0.39% and was closed at $10.17. RJET EPS growth in last 5 year was -17.60%. Republic Airways Holdings Inc. (NASDAQ:RJET) year to date (YTD) performance is -4.86%.

Scholastic, the world’s largest publisher and distributor of children’s books, announced that Usher is joining with the company to launch a new “Open a World of Possible” initiative, designed to elevate the importance and joy of reading for all children. Scholastic Corporation (NASDAQ:SCHL) ended the last trading day at $34.58. Company weekly volatility is calculated as 2.73% and price to cash ratio as 53.41. Scholastic Corporation (NASDAQ:SCHL) showed a weekly performance of -2.32%.

Calgon Carbon Corporation (NYSE:CCC) has inked a 10-year agreement with Palmdale Water District involving reactivation services for treating the District’s drinking water. The total value of the contract will depend on the amount of carbon that will be used annually for water treatment. Calgon Carbon Corporation (NYSE:CCC) shares decreased -1.24% in last trading session and ended the day at $20.71. CCC Gross Margin is 33.90% and its return on assets is 8.10%. Calgon Carbon Corporation (NYSE:CCC) quarterly performance is -7.63%.