The John Mango Portfolio

 1. Daily Market Highlight: Taihan Fiberoptics (010170) - Current Status: Hit the daily upper limit (+29.97%) - Market Context: The South Korean stock market experienced another bout of extreme thematic volatility today. Trading volume for Taihan Fiberoptics surged to over twenty times its 30-day moving average, completely overwhelming sell walls by early afternoon. Institutional investors remained largely on the sidelines while a massive influx of retail liquidity drove the price to its absolute daily ceiling at 9,410 KRW, closing with a heavy backlog of unfilled buy orders. 2. Business Analysis: What is Taihan Fiberoptics? Taihan Fiberoptics is a major South Korean manufacturer specializing in optical fibers and telecommunication cables. Rooted in decades of industrial infrastructure experience, the company produces a wide array of products ranging from single-mode fibers for long-haul networks to specialty cables for localized enterprise solutions. Their core technological edge ...