Puma Biotechnology Inc. fell 21.1% to close at $27.92 per share on March 29 after it revealed a second major delay for the company's new drug application (NDA) submission to the US FDA for neratinib as an extended adjuvant treatment for early-stage HER2-positive breast cancer.
Los Angeles-based Puma has given back all of its gains and then some since the company's value spiked based on...


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