E252: Vast Data $30B valuation, +229%; Kalshi $22B valuation, +2x; Mastercard buys BVNK; Canva signals 2027 IPO; + more | This Week in Pre-IPO Stocks

E252: Vast Data $30B valuation, +229%; Kalshi $22B valuation, +2x; Mastercard buys BVNK; Canva signals 2027 IPO; + more | This Week in Pre-IPO Stocks | Kazuha