Bumble slumps after paying user base declines

** Shares of dating app operator Bumble BMBL.O down about 6% at $7.15 in premarket trading after it posts Q2 decline in paying user base

** BMBL's total paying users decrease by 8.7% to 3.8 million in second quarter

** Also posts qtrly revenue of $248.2 million vs analysts' estimate of $245.1 million

** However, co forecasts Q3 revenue between $240 million and $248 million, largely above analysts' estimates of $241.4 million, according to data compiled by LSEG

** "We are uncertain about the near-term growth opportunity given worsening user trends" - brokerage TD Cowen

** Up to last close, stock down 6% YTD