As festive lights go up and office parties fill calendars, a new Express Employment Professionals-Harris Poll survey reveals a surprising truth: while workplace celebrations and gift exchanges are widespread, many employees feel more pressured than joyful when it comes to giving. Nearly all U.S. hiring managers (94%) say their company hosts celebrations, most commonly for holidays (61%), birthdays (51%) and work anniversaries (50%). And nearly two-thirds (64%) report that employees regularly exchange