When qL appears at the bottom of the K line, it is a signal for the stock to rise. When qL appears at the bottom of the K line, it means that powerful institutions have joined in and the stock will start to rise. K-line refers to the K-line chart, which is the drawing method of the K-line chart in the stock market and futures market. It contains four data, namely the opening price, the highest price, the lowest price and the closing price. All K-lines revolve around these four data. Expand to reflect the general situation and price information.