The cumulative advance-decline line reported in Barron's at the end of the month is 21,240. During the first week of the following month, the daily report for the Exchange is as follows:
Day
|
1
|
2
|
3
|
4
|
5
|
Issues traded
|
3,544
|
3,533
|
3,540
|
3,531
|
3,521
|
Advances
|
1,737
|
1,579
|
1,759
|
1,217
|
1,326
|
Declines
|
1,289
|
1,484
|
1,240
|
1,716
|
1,519
|
Unchanged
|
518
|
470
|
541
|
598
|
596
|
a. Compute the daily net advance-decline line for each of the five days.
b. Compute the cumulative advance-decline line for each day and the final value at the end of the week.