Final answer:
The stock price will experience volatility when the earnings report is released, but it will eventually adjust to the news announcement.
Step-by-step explanation:
The correct answer to the question is A which states that there will be some volatility in the stock price when the earnings report is released, but it is difficult to determine how much will be the impact on the stock price. However, the prices will eventually adjust to the news announcement.
When the pharmaceutical company releases its next earnings report, there will likely be some volatility in the stock price. This is because the announcement of the Federal Drug Administration's approval for the new allergy drug and the increase in earnings per share (EPS) will affect investor expectations. It's difficult to determine the exact impact on the stock price, but eventually, the prices will adjust to reflect the news announcement.