At the beginning of the day, the sum of the stocks in the Dow Jones was $10,335.24. At the end of the day, the sum of the stocks in the Dow Jones was $10,215.78. What was the rate of change of the Dow Jones on this particular day?
Dow Jones has changed by
It is observed that Dow Jones changed from
Hence the change was
This change is over
In market terminology this is also known as