Rocket Pharmaceuticals is trading at $2.48, up 5.08%, with no clear after-hours catalyst identified. - Shares closed at $2.36 on October 15, after gaining 6.79% during the regular session. - The company announced a conference appearance on October 15 concerning an October 20 investor event, not new clinical or financial results. - Earlier RP-A501 coverage and a Goldman Sachs rating change predate October 15; mixed market context offered no clear explanation.