Final answer:
The difference in the number of shares traded from June 19 to June 20 is 59,391,628 shares.
Step-by-step explanation:
The difference in the number of shares traded from June 19 to June 20 can be found by subtracting the number of shares traded on June 20 from the number of shares traded on June 19.
On June 19, there were 59,945,400 shares of JPM traded.
On June 20, the Sales 100s was 553,772, so there were 553,772 shares traded on that day.
To find the difference, subtract 553,772 from 59,945,400:
59,945,400 - 553,772 = 59,391,628
Therefore, the difference in the number of shares traded from June 19 to June 20 is 59,391,628.