Core Insights - MediaCo Holding Inc. experienced a significant stock surge of 13.24% to $0.77 in after-hours trading following two corporate announcements, with a regular session close at $0.68, reflecting a 7.09% increase [1] Group 1: New Initiatives - MediaCo has launched Sigma Audio Networks LLC, a multicultural audio network that consolidates its brands, including WBLS-FM, HOT97, Estrella Network, Que Buena Los Angeles, and the Don Cheto Radio Network, providing advertisers access to diverse audiences through a unified national audio buy [2] Group 2: Performance Metrics - EstrellaTV reported a 14% year-over-year growth in the Adults 18-49 demographic during prime time in 2025, marking its first annual prime-time growth since 2018 [3] - Fourth-quarter 2025 viewership for EstrellaTV increased by 57% compared to the same period in 2024, representing the largest quarterly year-over-year gain in the network's history [3] Group 3: Market Position - MediaCo has a market capitalization of $55.22 million, with stock trading within a 52-week range of $0.57 to $1.60 [4] - Over the past 12 months, MediaCo's stock has declined by 37.04%, indicating ongoing challenges and a bearish trend [5] - The stock's Relative Strength Index (RSI) is at 50.17, and it is currently trading at 10.7% of its 52-week range, suggesting weak investor sentiment [5]