One of friends she got one interview one day, after that, she felt very good coz she answerd all of the question. She thought she will get offer soon. But after one week they informed her " you are very excellent, but we have no suitable position for you". in another interview, she felt she did not good at all, she can't answer a lot of the question, but she got offer.
So there are a lot of karma between you and the interview company.