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Shares of AstraZeneca PLC shed 8.96% to GBP115.00 Monday, on what proved to be an all-around poor trading session for the stock market, with the FTSE 100 Index falling 0.10% to 10,857.70.

AstraZeneca PLC closed 26.90% below its 52-week high of GBP157.32, which the company achieved on February 18th.

Trading volume totaled 6.2 million, compared to the 50-day average of 2.5 million.

Data source: Dow Jones Market Data, FactSet