Travelzoo (TZOO) reported third-quarter FY21 revenue growth of 14 percent year-on-year to $15.7 million, missing the consensus of $20.5 million. Business segment revenue increased 6 percent Y/Y to $9.7 million in North America and rose 43 percent to $5.2 million in Europe. Jack’s Flight Club revenue declined 19 percent Y/Y to $0.796 million. EPS of $0.22 missed…