Airbnb ABNB shares are trading lower on Thursday after the company warned of a deceleration in growth during the latter half of this year.The online marketplace for vacation rentals released its second-quarter results on Wednesday. It reported $3.1 billion in revenue, up 13% year-over-year, and ahead of consensus estimates at $3.03 billion. It reported a profit of $1.03 per share, which again beat analyst estimates at 93 cents per share.Also Read: Airbnb Q2 Earnings: Revenue, EPS Beat Estimates; Stock Repur ...