Group 1 - The core viewpoint is that the surge in stock prices of sports-related companies, particularly Jinling Sports and Gongchuang Turf, is driven by the popularity of the Jiangsu City Football League, leading to significant stock price fluctuations and warnings of potential irrational trading behavior [1][6]. - Jinling Sports reported a cumulative stock price increase of 100.41% over five trading days, indicating severe abnormal trading fluctuations [1][2]. - The dynamic P/E ratio of Jinling Sports is -558.28, while the static P/E ratio is 141.35, and the P/B ratio is 4.94, reflecting the company's current market valuation amidst the stock price volatility [2]. Group 2 - Gongchuang Turf, another leading stock, also announced significant stock price increases and trading volume, highlighting the risk of irrational speculation [6]. - Gongchuang Turf's main business is artificial turf, with projected revenues of 2.052 billion yuan from leisure grass and 594 million yuan from sports grass in 2024, accounting for 69.93% and 20.25% of its main business revenue, respectively [6]. - The company holds the largest global market share in artificial turf, with its sports grass products widely used in social sports venues, although domestic football events do not significantly impact its operational performance [6]. Group 3 - The sports industry in China has seen growth from 2.9 trillion yuan in 2019 to 3.7 trillion yuan, with a CAGR of approximately 5.7%, driven by supportive policies and a youth consumer base [7]. - The total output value of sports competition and performance activities is projected to grow from 30.9 billion yuan in 2019 to 75.2 billion yuan by 2024, with a CAGR of around 23% [7][8]. - Recent government initiatives aim to streamline the approval process for sports events, enhancing the efficiency of event preparation and supporting the supply of quality sports projects [8].