Two strug­gling biotechs fall un­der bear mar­ket in­flu­ence, as Spero sharply re­duces staff and Sesen seeks sale

As the bear mar­ket con­tin­ues bat­ter­ing the biotech sec­tor, Spero Ther­a­peu­tics and Sesen Bio are seek­ing ways to mit­i­gate loss­es.

Spero is un­der­go­ing an “im­me­di­ate …

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