Group 1 - Ark Invest, led by Cathie Wood, has made a significant investment in Bullish, a cryptocurrency exchange, acquiring over 2.5 million shares through three actively managed ETFs [1] - Bullish's stock surged 84% on its first day of trading on the NYSE, indicating strong investor interest in digital asset infrastructure despite ongoing regulatory scrutiny [1] - The flagship ARK Innovation ETF (ARKK) purchased more than 1.74 million shares of Bullish, while ARK Next Generation Internet ETF (ARKW) added 545,416 shares, and ARK Fintech Innovation ETF (ARKF) bought 272,755 shares [1] Group 2 - Bullish is a global cryptocurrency exchange supported by billionaire venture capitalist Peter Thiel, reflecting growing confidence in the cryptocurrency ecosystem [2] - Ark's inclusion of Bullish in its portfolio expands its involvement in the trading and media sectors of the cryptocurrency industry, as Bullish also owns the cryptocurrency news and data platform CoinDesk [2]