By Chris Hughes
The author is a Reuters Breakingviews columnist. The opinions expressed are his own.
First Direct has pulled the shutters down on new mortgage business. Albeit a temporary move, it is yet more unsettling news for scores of homeowners coming to the end of cheap deals. Such a move is unprecedented, but perhaps comes as little surprise, given that the lender has been market-leading for quite some time. With pricing more or less 0.5 percent below that of its nearest competitor, the influx of new business that has created a huge backlog is understandable.