So that is way faster than the three months they suggested. Either they thought it would be good and changed their mind or it was that bad!
Or neither, don't try to read too much into it, you'll just drive yourself crazy.
It might just be the timing. I think some agents wait and try to plow through a bunch of queries at once.
I completed the online form on 3/29, and haven't heard anything. I don't expect to, not anything positive at least.