Bullish’s stock price continued to gain in the pre-market trading session, with another 2% rise during this period, data from Google Finance shows. Bullish stock price (Source: Google Finance)That’s after the company made its public market debut on Aug. 13. On its first trading day, Bullish stock opened with a price of $37 per share. In its latest trade notification, ARK Invest disclosed that it bought more Bullish shares across two of its ETFs (exchange-traded funds). The asset manager bought 27,813 Bullish shares via its ARKK fund, and another 8,515 shares through its ARKW ETF.