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Protagonist Therapeutics, Inc. - Common Stock
(NQ:
PTGX
)
101.21
+2.70 (+2.74%)
Streaming Delayed Price
Updated: 4:00 PM EDT, Apr 28, 2026
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Today, investors in Protagonist Therapeutics and PTGX stock have seen an absolutely massive decline due to an FDA hold of its clinical trial.
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Mid-Afternoon Market Update: Nasdaq Down 1%; Protagonist Therapeutics Shares Plummet
↗
September 17, 2021
Toward the end of trading Friday, the Dow traded down 0.47% to 4,587.22 while the NASDAQ fell 1.05% to 15,023.11. The S&P also fell, dropping 0.85% to 4,435.65. The U.S. has...
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Why Protagonist Therapeutics Stock Is Tanking Today
↗
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The FDA put a clinical hold on one of the biotech's new drug candidates.
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Highly Rated Protagonist Stock Takes A Hit After Study Mice Develop Tumors
↗
September 17, 2021
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Following the market opening Friday, the Dow traded down 0.37% to 34,622.25 while the NASDAQ fell 0.58% to 15,094.19. The S&P also fell, dropping 0.55% to 4,449.03. The U.S....
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