SiriusPoint Inc. SPNT shares added to their gains late Wednesday after the insurance company said Daniel Loeb’s hedge fund Third Point was considering a potential purchase, following his acknowledgement of a large stake earlier in the day. SiriusPoint shares rose as much as 2% after hours, following a 10% rally to close the regular session at $9.20. Earlier Wednesday, Loeb disclosed a 9.3% stake in the company, and said SiriusPoint is “undertaking the necessary steps to position…for long-term success,” and that Loeb “is fully supportive of the strategy and plan currently being pursued.” In the filing, ThirdPoint said…