MAKE MONEY BLOG$~In trading on Wednesday, shares of Sinopec Shanghai Petrochemical Co., Ltd. (NYSE: SHI) entered into oversold territory, changing hands as low as $26.20 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 3...