Shares of REW Now Oversold
May 17, 2013 at 16:11 PM EDT
In trading on Friday, shares of the Proshares UltraShort Technology ETF (REW) entered into oversold territory, changing hands as low as $30.01 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.