0724 Analysis: The 3-day line was changed today, and the 3-day line is still in a short position, and adjustments are still needed. At present, it has reached a daily support level. The daily line is now the key market to see if it can form effective support for a wave of rebound. But the short position is almost released, and another needle may break through 29400. That is to say, there is a high probability that there will be a rebound in these two days.