[Mixed performance in U.S. crypto stocks, HSDT up 181.75%, NAKA down 57%] On September 15, U.S. stock markets opened with mixed performance among cryptocurrency-related stocks. Coinbase rose 1.06%, Circle gained 3.66%, Strategy fell 1.69%, and Bullish dropped 0.88%. Among new stocks, Gemini increased by 4.62%, and Figure climbed 8.62%. For individual stocks, SOL treasury stock Helius (HSDT) surged 181.75%, while BTC treasury stock Kindly MD (NAKA) plummeted 57%.