Centrus Energy is trading 4.07% lower at $106.05 after closing at $110.55 on October 29, with no clear company-specific negative catalyst identified for the October 30 pre-market decline. - Broader risk-off sentiment is a plausible factor, with the Nasdaq down 2.13% and the S&P 500 down 0.91%. - Centrus announced a centrifuge shipment milestone on October 29; the positive news does not explain the decline.