glencore plc glen shares slipped 157 to £508 wednesday on what proved to be an allaround positive trading session for the stock market with the ftse 100 index ukx rising 055 to 799783 glencore plc closed 7670 pence below its 52week high £585 which the company achieved on january 18 trading volume 438 m remained 55 million below its 50day average volume of 493 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