In trading on Friday, shares of the Vanguard Long-Term Treasury ETF (Symbol: VGLT) entered into oversold territory, changing hands as low as $90.18 per share. We define oversold territory using the Relative Strength Index, or RSI, which is a technical analysis indicator used tIn trading on Friday, shares of the Vanguard Long-Term Treasury ETF (Symbol: VGLT) entered into oversold territory, changing hands as low as $90.18 per share. We define oversold territory using the Relative Strength Index, or RSI, which is a technical analysis indicator used tRead MoreMarkets,Stocks,ETFsStocks Feed