The correct answer is: under.
The word “under” is used to indicate that the company is being criticized or attacked. In this case, the company is being criticized by investors because of its poor performance.
The other options are not correct because they do not convey the same meaning. The word “in” is used to indicate that the company is located in a particular place. The word “about” is used to indicate that the company is concerned with a particular topic. The word “of” is used to indicate that the company is a member of a particular group.
Here are some examples of how the word “under” can be used in other sentences:
- The company is under investigation by the government.
- The company is under pressure from its shareholders.
- The company is under fire from the media.