shares of severn trent plc svt were unchanged tuesday at £2706 on what proved to be an allaround poor trading session for the stock market with the ftse 100 index ukx falling 025 to 756931 severn trent plc closed £315 below its 52week high £3021 which the company achieved on august 5 trading volume 276743 remained 410490 below its 50day average volume of 687233 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