In the stock or futures market, K-line breakthrough usually means that the stock or futures price breaks through the previous high point or resistance level, which is what we often call "breaking through the empty resistance level", and the phenomenon of falling below the support level is called "falling below the empty support level". K-line surprise means that the market sentiment is gradually warming up, and buyers begin to enter the market, pushing up prices.

K-line breakthrough usually means that the market has established an upward trend. At this point, investors can choose to buy stocks or futures to profit from the rising trend. In addition, the K-line will also induce a certain degree of capital chasing up, further pushing up the price. However, it should be noted that the K-line breakthrough does not mean that stock or futures prices will continue to rise. Investors need to adjust their positions at any time according to market conditions to control risks.

In stock or futures trading, K-line surprise is often one of the important indicators of technical analysis. Technical analysis is a method to predict the market through charts and indicators. K-line surprise is considered to be one of the most important forms in technical analysis, which can reflect market sentiment and trend changes. Investors can learn more about K-line surprises by learning technical analysis, and predict the market trend according to their own analysis, thus guiding their own transactions.