Core Insights - Nintendo shares have increased by 18% this week due to the unexpected success of the Pokémon game "Pokémon Pokopia," which has raised expectations for sales of the Switch 2 console [1][2] - "Pokémon Pokopia" sold 2.2 million units within the first four days of its release, making it the fourth-best-selling title for the Switch 2, which was launched last year [1][2] - The game is a spin-off from the main Pokémon franchise and is exclusively available on the Switch 2, contributing to the optimism surrounding the console's sales [2] Sales Performance - Nintendo has projected sales of 19 million units for the Switch 2 in the current fiscal year, which ends in March, and has already sold 17.37 million units to date [2] - The success of "Pokémon Pokopia" is seen as a potential system seller that could help maintain momentum for the Switch 2 hardware, despite not being a major title like a new 3D Mario or Zelda game [3]