Stock in Focus: GT Advanced Technologies Inc (OTCMKTS:GTATQ)

[Reuters] GT Advanced Technologies Inc (OTCMKTS:GTATQ) and its shareholders are lobbying regulators to form a committee to vouch for their interests in the sapphire maker's bankruptcy, believing their shares may still have value.GT Advanced, which supplied sapphire to Apple Inc, filed for Chapter 11 protection this month under mysterious circumstances, sending shares plummeting.

Is this a Buying Opportunity?There are currently ten analysts that we track that cover the stock. Of those ten, three have a Buy rating, four have a hold rating and three have a Sell rating. On a consensus basis this yields a score of 2.00 and a Hold. The combined price objective of these covering analysts is $17.57, which represents a 57.54% difference to the last closing price.The most recent analyst activity consisted of Dougherty & Co downgrading their Buy to Sell stance on the company. On the date of the report, the stock closed at $12.78.Another research firm weighing in recently was Goldman Sachs who also downgraded their rating on the stock. On Sept 10^th Goldman Sachs decreased their price target on the stock from $20 to $14, or a 23.78% upside to the current price. On the day of the report, GTAT shares closed at $12.78.Company ProfileGT Advanced Technologies Inc., (GTATQ) a technology company, provides materials and equipment for the solar, light emitting diode (LED), and electronics industries worldwide. The company operates through three segments: Sapphire, Polysilicon, and Photovoltaic (PV). The Sapphire segment provides advanced sapphire crystallization furnace systems used to produce sapphire boules; and sapphire materials for a range of other industrial and consumer applications, including medical devices, dental, oil and gas, and watch crystals, as well as specialty optical applications, such as low absorption optical sapphire for advanced optics and Titanium-doped sapphire material for high power lasers. The Polysilicon segment offers silicon deposition reactors; equipment, technology, and engineering services for the production and purification of trichlorosilane and silane; and engineering services.