Since the November election, mortgage rates have spiked roughly 75 basis points, promising to snuff out the refinancing market and possibly leading to a spate of industry layoffs. But so far, it appears that many firms are keeping their cost-cutting powder dry. “Application volume has been pretty much the same,” said Paul Rozo, CEO of nonbank originator Paramount Residential Mortgage Group, Corona, CA. “I think it’s too early in the game to be thinking about layoffs.” Marc Savitt, a principal in The Mortgage Center, a small West Virginia-based brokerage firm, said...