A test of the jumbo mortgage-backed security market by Wells Fargo went well enough that the bank plans to regularly issue deals after avoiding the market for years. “Based on the positive response from investors to Wells Fargo’s recent private residential MBS transaction and given acceptable market conditions, we expect to do periodic offerings of private residential MBS going forward,” said Tom Goyda, a spokesman for the bank. The $441.3 million issuance from Wells that closed ...