Please analyze: positive and negative lines of upper and lower shadow lines, positive and negative lines of upper shadow lines (no shadow lines) and negative lines of lower shadow lines (no shadow lines). Features: There are different lengths of upper shadow line and lower shadow line on the K line.

Yang line: the longer the entity, the stronger the multi-party power; The longer the upper shadow line, the greater the upper pressure; The longer the shadow line, the stronger the support below.

Yinxian: The longer the entity, the greater the short-selling power of the empty side.