22 Sep 2025 | 5 Mins Read
SoftBank's weight pushes investors to buy despite skepticism
Flipitmoney
SoftBank's surge since April's fiscal year start has contributed 10% to the Topix's market capitalization, fueled by founder Masayoshi Son's AI bets. Its weight in the gauge has doubled to 2%, making it a must-hold for fund managers to beat the market. SoftBank's shares are trading at a 20% discount to net asset value, speculated to stall at the first sign of weak investments.