The old duck head generally rose from 30% to more than 200%, it is mainly the influence of a variety of factors.K line pattern form 1 is divided into the red three soldiers, arc bottom, "V" bottom, reversal of the cross, "W" bottom (double bottom), head-and-shoulders bottom The stock price, low gear five positive; K-line pattern 2 is divided into sesame seed, backwater, strike while the iron is hot and other types.

K line pattern: red three soldiers, after the plunge in the market, the empty side has been unable to continue to beat down the stock price, the stock price in the low price area was "a" narrow fluctuations, small positive and small yin line alternately, volume shrinkage. After a long period of time after finishing, the multi-party has accumulated enough energy to rise, accompanied by the volume of uniform enlargement, the plate appeared to rise three consecutive small positive line, so that the stock price breakthrough plate began to rise. These three small positive lines known as the "red three soldiers", its appearance signals the possibility of a substantial rise in the market. Rounded bottom, with the stock price gradually hit low, the empty side of the energy consumption is great, both sides entered the confrontation stage, this time the stock price trend is smooth, volume shrinkage. Following the multi-party further counter-attack, accompanied by the amplification of volume, the stock price gradually rose, consecutively broke through the pressure of three moving averages, and hit a new high recently, indicating that the multi-party has occupied the dominant advantage, the stock market will rise. "V" type bottom, when the empty side of the continuous low share price shorting energy depletion, the multi-party immediately launched a counter-attack, do not give the empty side of the opportunity to take a breather, in the volume of cooperation, the share price gradually pushed up to form a "V" uptrend.

"W" bottom (double bottom), the empty side of the three consecutive negative, suppressing the energy is exhausted, the multi-party counterattack, but in the height of the previous intensive trading area was blocked back down, but the stock price did not fall below the previous lows, and then the multi-party counterattack once again, a breakthrough in the previous resistance level, and gradually go higher. When the stock price from the second trough rose more than 3% of the top price, can be regarded as a valid breakout. This trend of the stock price to form a double bottom, for the market rise to lay the groundwork. Head and shoulders bottom stock price, after a long period of decline, volume decreased significantly, the stock price slowed down and rebounded slightly, volume increased slightly, the formation of the left shoulder. Immediately following the continued decline in the bottom, encountered a multi-party counterattack, volume rapidly enlarged, the stock price rose over the low price of the left shoulder, the formation of the head and shoulders bottom, and once again back to the bottom, the formation of another bottom that is the right shoulder, the bottom of this is not lower than the head and shoulders bottom.