https://www.washingtonpost.com/news/where-we-live/wp/2017/04/06/mortgage-rates-tumble-but-may-be-headed-back-up/?utm_term=.b72e67508f37

Well, the 30-year fixed mortgage rate has been falling for the last three weeks. The 15-year fixed rate also dropped.

According to the Fed's minutes released last week, the Fed's expects the economy continuing to grow and job market to stay healthy. Now we see the mortgage rates go down, so there is discrepancy. Is the Fed's prediction not in line with market? Last time when the Fed increased the interest rate, the mortgage rates soared. Why was it? and why not this time?