Our app is directed at the financial services industry, both to professionals and their clients.
It will not matter.
You have to look at the strategy of how you plan on acquiring users for the website.
For Example: If you are going to leverage Social Media your in-bound traffic is going to be coming in the way of clicking so your domain name makes no difference.
Another Example: Email Marketing, the user is clicking on a link of sorts so the domain is a non-issue.
If you have more questions shoot me a message.