Core Insights - Nextdoor shares experienced a nearly 50% increase to about $3, driven by bullish comments from hedge fund founder Eric Jackson on social media, bringing the stock back into positive territory for the year [1][6] - Jackson described Nextdoor as "The Most Mispriced Agentic-AI Platform of the 2020s," suggesting significant growth potential due to its unique combination of identity, trust, proximity, and AI [2] - Nextdoor, which went public via a SPAC merger in 2001, has reported rising revenues but continues to struggle with profitability [3] Significance - The volatility in Nextdoor's stock price may reflect ongoing uncertainty about its business model if the recent momentum does not sustain [4] - Jackson noted that some platforms remain misunderstood for years until a pivotal moment reframes their value, indicating that Nextdoor's current valuation around $2 could be such a moment [4] - Jackson's previous bullish comments on companies like Opendoor Technologies and Better Home & Finance have led to significant stock price increases, with Opendoor up approximately 370% and Better Home & Finance soaring 460% in 2025 [4]