The change in value of ZGZ Electronics stock is described as follows:
- On the first day, the stock rose by 3 points, indicating a positive change in value.
- The next day, the stock experienced a decrease of 1 point, which is represented as a negative change.
To summarize the overall change from the two days:
- First Day Change: +3 points
- Second Day Change: -1 point
To find the total change over these two days, you can combine the changes: +3 points - 1 point = +2 points
Overall, the change in the stock's value after both days is an increase of 2 points.