Bond investing giant Pacific Investment Management Co., commonly known as PIMCO, is getting more serious about buying a mortgage franchise and has zeroed in on a mid-sized nonbank, according to industry officials who claim to have knowledge of the talks. But it’s not mortgage banking, per se, that PIMCO is ultimately interested in – it’s the MBS market. “PIMCO has been in the MBS game for many years, so I would think this is possible,” said industry consultant Paul Hindman. Hindman has...