In a challenging market environment, Match Group, the parent company of dating apps Tinder, Hinge and OkCupid, is reportedly expecting lower than estimated quarterly revenue.The Dallas-based company has been grappling with weaker discretionary spending by users amid an uncertain economy, Reuters reported Tuesday (May 7).Match Group said Tuesday that its revenue growth is anticipated to be at the lower end of its previously stated 6% to 9% range, according to the report. For the second quarter ending in June ...