Group 1 - Mercado Libre's shares experienced a significant decline of 6.8% on October 1, following a 6.6% drop on September 30, marking the largest two-day slump since November [2] - The decline is attributed to increased competition in Brazil's eCommerce market, particularly due to Amazon Brazil's decision to waive or reduce Fulfillment by Amazon fees for certain sellers during the holiday season, as well as the presence of ultra-cheap goods from Temu and Shein [2][3] - Despite the recent stock decline, Mercado Libre remains the largest eCommerce player in Brazil and Latin America, continuing to invest heavily in the region, including an expansion of its free shipping offer [3][5] Group 2 - The company reported a 34% year-over-year growth in items sold in June, driven by a lower threshold for free shipping [4] - Mercado Libre plans to increase its investment in Brazil by 48%, from approximately $3.7 billion in 2024 to about $5.8 billion in 2025, focusing on logistics, technology, marketing, and increasing its workforce by 14,000 to a total of 50,000 [6] - Additionally, the company announced a $3.4 billion investment in Mexico, its second-largest market, while not disclosing specific plans for Argentina [7] Group 3 - On September 22, Mercado Libre launched a new B2B unit in Argentina, Brazil, Chile, and Mexico, expanding its business beyond the traditional consumer market, with over 4 million users enabled for wholesale purchases [8]