simple definition of blockchain- Top Knowledge graph

I have been involved in this stock for four months, and I know that this stock is grinding people.I have been involved in this stock for four months, and I know that this stock is grinding people.Today, the Shanghai Composite Index changed its upward trend a few days ago, and fell below the short-term support lines of 3442 and 3437 at the opening, and closed below the short-term lower rail of 3387 at the end, so there is a need to continue to test 3371.

Today, the Shanghai Composite Index changed its upward trend a few days ago, and fell below the short-term support lines of 3442 and 3437 at the opening, and closed below the short-term lower rail of 3387 at the end, so there is a need to continue to test 3371.A small amount of positions were added at the end of the day today.After the close of December 13th.

Changjiang Electric Power reached a new high of 28.88 this month, and continued to break through the demand of 29 yuan in the short term.Today, I intervened in Hetai, trading daily in the afternoon, and then sealing the board after it was broken in the late session.In terms of individual stocks: