Reddit (NYSE: RDDT) shares surged over 20% by midday Friday after the social media platform reported stellar second-quarter results, marking its most profitable quarter in company history. Reddit posted GAAP earnings per share (EPS) of $0.

Reddit's shares jumped 15% before the bell on Friday after it reported quarterly results that exceeded Street expectations, boosting investor confidence in the platform's AI-based advertising tools and strong user engagement.

Reddit stock climbed 15% Friday after it revealed its second-quarter results, with revenue up 78% year-over-year to about $500 million and EPS hitting $0.45, far surpassing Wall Street expectations. Most Wall Street analysts were impressed by the company’s ad business,

Reddit’s recently launched A.I. marketing tools are already fueling strong advertising growth. In the latest quarter ended June, the social media company reported a 78 percent year-over-year revenue increase to $500 million,