Group 1 - Nintendo's flagship console, Switch 2, saw a sales rebound last month, alleviating concerns about demand slowdown, leading to a 6.6% increase in Nintendo's stock price, the largest single-day gain since November 5 [1] - According to Circana, Switch 2 was the best-selling console in the U.S. for both December and the entire year of 2025, contributing to a 9% growth in overall hardware spending in the industry [1] - Despite a significant drop in spending due to increased tariffs and component costs in November, Switch 2 maintained strong sales, contradicting claims of its weakness [1] Group 2 - After seven months on the market, Switch 2's sales exceeded Sony's PlayStation 4 by 35%, supported by multiple best-selling games in December [2] - The overall U.S. gaming market is expected to grow by 1% to $60.7 billion by 2025, with a shift towards subscription models, which have seen a 20% increase [5] - Epic Games' Fortnite continues to dominate user attention and gaming time on console platforms, with a significant portion of active users having experienced the game [5]