It has only been six years since the U.S. stock market rout brought on by the financial crisis, but as far as Deena Katz’s clients are concerned, that might as well be ancient history. “People have a thirty-second memory,” said Katz, 65, co-chairman at Evensky & Katz/Foldes Financial Wealth Management. For veterans of several Federal Reserve interest rate hike cycles, the last several years have presented something of an abnormal condition.