A job posting is shown on the window of a retail store looking for seasonal workers at a shopping mall in Carlsbad, California, U.S. November, 9, 2021. REUTERS/Mike Blake
Nov 12 (Reuters) - The number of Americans voluntarily quitting their jobs rose to a record high in September while job openings stayed stubbornly above pre-pandemic levels, a sign that businesses may have to continue to raise wages in order to attract workers.