Group 1 - The article introduces Nikkei BP, a leading B2B media company in Japan, established in April 1969, focusing on management, professional technology, and lifestyle [3]. - Nikkei BP aims to meet diverse customer needs through its specialized content in the aforementioned fields [3]. Group 2 - The article promotes a book titled "Investing is Surprisingly Interesting," which serves as a guide for beginners in the stock market, emphasizing the importance of understanding stock price movements and market dynamics [6]. - The book targets individuals looking to achieve stable returns in investments and aims to equip them with necessary skills and knowledge applicable beyond the stock market [6].