* Power sector: 7M 2023 CGM price up 20% YoY; EVN warns of power shortage in 2024 * PNJ’s 7M 2023 results: Retail sales recover 15% MoM in July; net profit flat YoY in 7M 2023 * KDH: New project launches to drive 2024F profit growth - Update * VCB: Well p