Nuclearelectrica is trading 6.7% higher now at RON 55.70, with no confirmed catalyst identified for the October 2 gain. - Cosmin Ghiță’s departure took effect October 2; interim CEO Mihai Laurențiu Gioară is scheduled to take over October 3. - The leadership transition had been announced earlier, and available evidence does not establish it as the reason for the sharp gain. - Provided broader-market data show no clear same-direction driver.