shares of lincoln national corp lnc slid 377 to 5439 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 238 to 401782 and dow jones industrial average djia falling 194 to 3227279 this was the stocks third consecutive day of losses lincoln national corp closed 2318 short of its 52week high 7757 which the company achieved on november 3rd the stock underperformed when compared to some of its competitors thursday as prudential plc adr puk fell 288 to 2566 metlife inc met fell 183 to 6601 and prudential financial inc pru fell 240 to 10257 trading volume 12 m remained 159012 below its 50day average volume of 14 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