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The market reacted negatively due to inconclusive trial results, reminiscent of previous failures that harmed stock prices.
What happened, with direct paths to the underlying reporting
EXEL stock fell 12.17% following STELLAR-303 Phase 3 trial results. The trial showed a 20% reduction in death risk with zanzalintinib. Median overall survival was 10.9 months versus 9.4 months for regorafenib. Superiority in progression-free survival (PFS) remains inconclusive currently. Investors may be reacting negatively to the lack of definitive results.
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