JA Solar Holdings ( JASO) lost 9% last week. U.S. Department of Commerce is investigating a trade complaint by seven domestic solar PV makers alleging China's solar PV modules manufacturers of dumping goods in the U.S. market at less than the cost of manufacturing triggered this decline. Bristow Group ( BRS) lost 7.6% after reporting operating income of $44 million in the Sep. 2011 quarter, vs. $53.6 million in the same quarter last year. SandRidge Energy ( SD) shed 7.6% at close last week after Goldman Sachs analysts downgraded the stock to sell from neutral, lowering the price target to $7 from the previous $8.
In trading on Thursday, shares of TransAtlantic Petroleum Ltd entered into oversold territory, changing hands as low as $6.00 per share. We define oversold territory using the Relative Strength Index, or RSI, which is a technical analysis indicator used to measure momentum on a scale of zero to 100.
Shares of TransAtlantic Petroleum (AMEX:TAT) were gapping down Friday morning with an open price 12.5% lower than Thursday's closing price. The stock closed at $1.28 yesterday and opened today's trading at $1.12.