What are some of the most significant deals our bank has completed in the last 12 months?

This question lets the interviewer to intrude into the fact that how keen you are to get this job. You, thus, are required to always research about the bank and have detailed knowledge about all the current events involving this bank, especially in the last 12 months. However, it is always better to have a brief overview of the happenings of the banking sector as a whole.
You might even be asked some specific questions about the bank like ‘its stock (share price) and the recent trends in the same and what does that speak about the health of the bank’; ‘who is the CEO and since how long he has been affiliated with the bank’ etc.
Make sure you have all these information on your finger tips when you appear for the interview.