研选行业丨PCB升级迭代关键材料，价格已上涨超16%，3只国产黑马有望迎来盈利释放与估值重估

Group 1: PCB and Special Glass Fiber Cloth - The price of key materials for PCB upgrades has increased by over 16%, with three domestic companies expected to see profit releases and valuation reassessments [2] - The rapid iteration of PCB and CCL driven by AI development has led to a supply-demand gap for special glass fiber cloth, indicating a strong market demand [4] - The market for special electronic cloth is anticipated to grow rapidly, with domestic manufacturers accelerating their market penetration [5] Group 2: Stablecoins - The scale of stablecoins is expected to reach $3.7 trillion in 3-5 years, with profits comparable to "money printing," highlighting key beneficiary selections [6][8] - The development of compliant stablecoins and payment infrastructure is projected to expand rapidly in the next few years [10] - The strategic significance of developing compliant stablecoins in Hong Kong is noted, with a recommendation to monitor licensing applications and issuance progress [11] Group 3: Huangjiu Industry - The Huangjiu industry is undergoing a structural change, with leading companies focusing on "premiumization," "youthfulness," and "nationalization," suggesting a potential bottoming phase for the industry [12] - The historical cultural significance of Huangjiu is emphasized, indicating a promising outlook for the industry [14] - The concentration of the Huangjiu industry is increasing, with a trend towards strengthening the dominance of leading companies [16]