PayPay shares surge 43.94% in premarket after strong IPO and institutional buy-in by Ark Invest, reflecting its dominance in Japan's mobile payment market with 70% share and 72 million users.

PayPay surged 43.94% in premarket trading, driven by its successful NASDAQ IPO on March 12, 2026, with a 13% opening gain and a $12.1 billion valuation. Institutional confidence was shown as Ark Invest's ARKF fund purchased $5 million in shares. As Japan's leading mobile payment provider with 70% market share and 72 million users, PayPay reported a 26% revenue growth and 256% net income increase in the first nine months of 2025.