barclays plc barc shares dropped 117 to £171 friday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 037 to 787866 barclays plc closed 2260 pence below its 52week high £193 which the company achieved on february 9 trading volume 203 m remained 223 million below its 50day average volume of 427 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use