shares of outfront media inc were trading higher in fridays afterhours market following news the company will join the sp 600 smallcap index on sept 19 replacing fossil group inc at 540 pm et shares of outfront an outdoor media and advertising company were trading 723 higher at 1853 per share the stock finished the days regular session with a 052 loss closing at 1728 per share at 558 pm shares of fossil group a purveyor of watches handbags and fashion accessories were trading 719 lower at 4 each the stock ended the days regular session with a 213 gain closing at 431 per share shares of glatfelter corp which is exiting the sp 600 on sept 19 were lower after hours at 6 pm et shares of glatfelter a supplier of engineered materials were down 587 trading at 465 each the stock ended the regular session friday with a 292 gain closing at 494 per share