Answer: Option 'A' is correct.
Explanation:
Since we have given that
Probability that Stock A will increase in value during the next month = 0.54
Probability that Stock B will increase in value during the next month = 0.68
P(A) = 0.54
P(B) = 0.68
so, P(A)+P(B) = 0.54+0.68=1.22
Probability that neither of these two events will occur is given by

Hence, Option 'A' is correct.