In trading on Friday, shares of the EGShares Dow Jones Emerging Markets Consumer Titans 30 ETF ( ECON) entered into oversold territory, changing hands as low as $21.93 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. A stock is considered to be oversold if the RSI reading falls below 30.In the case of EGShares Dow Jones Emerging Markets Consumer Titans 30, the RSI reading has hit 27.3 — by comparison, the RSI reading for the S&P 500 is currently 55.9. A bullish investor could look at ECON's 27.3 reading as a sign that the recent heavy selling is in the process of exhausting itself, and begin to look for entry point opportunities on the buy side. Looking at a chart of one year performance (below), ECON's low point in its 52 week range is $18.20 per share, with $25.96 as the 52 week high point — that compares with a last trade of $21.98. EGShares Dow Jones Emerging Markets Consumer Titans 30 shares are currently trading down about 3.3% on the day.