Reddit Inc. (NYSE:RDDT) has projected third-quarter revenue that surpasses Wall Street’s expectations, indicating a rebounding digital ad market. However, the stock experienced a decline in extended trading. What Happened: Reddit’s forecast for the third quarter, its second since going public in March, suggests a resurgence in the digital ad market, attracting more advertisers to the platform, reported Reuters. Analysts have attributed the stock’s decline to the upcoming end of the pre-IPO lockup for private or pre-IPO investors on Friday. Additionally, the stock’s low average revenue per user…