On July 28, Centene declined 10.89% in regular trading, trading at approximately $58.35/share, with turnover of $158 million. The sharp reversal came despite the company reporting a strong Q2 earnings beat earlier in the session.

On the news front, Centene's CEO disclosed during an earnings call that the company expects year-end membership to fall below previously set targets for the second half, signaling a slowdown in health-plan enrollment growth that could weigh on full-year results. Additionally, the company announced acceptance of applications for a voluntary separation plan, estimated to generate $315 million to $365 million in severance charges. The combined impact of membership headwinds and restructuring costs triggered heavy selling pressure.

Notably, Centene had initially surged over 6% in pre-market trading after reporting Q2 adjusted EPS of $2.51, far exceeding the $1.08 consensus estimate, with revenue of $53.58 billion also beating the $47.62 billion forecast. Management also guided full-year adjusted EPS above $4.80 versus the FactSet estimate of $3.51. However, the membership warning and severance disclosure during the call overwhelmed the positive earnings surprise.

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