While one trader exited their position in RCAT due to fading momentum and a weakening technical setup, Kevin Xu maintains a high-conviction long position in RCAX. The shared portfolio screenshot shows a holding of 7,020 shares of RCAX at an average cost of $7.81, representing 100% of the portfolio diversity despite a current total return of -12.27%. The sentiment remains bullish for Xu, who indicates he is holding through the volatility.