Answer:
The shareholder gained $48.75 on Wednesday, which represents a 0.88% gain.
Explanation:
the opening value on Wednesday was $73.67 per stock, times 75 stocks = $5,525.25.
the closing value on Wednesday was $74.32 per stock, times 75 stocks = $5,574.
the shareholder gained $5,574 - $5,525.25 = $48.75 on Wednesday, which represents a 0.88% gain.