UNM - LB HTZ UNM and CHGG among after-hours movers May, 04 2020 05:37 PM Unum Group Gainers: CHGG +16.5%. NNBR +12.5%. GNMK +10.7%. LMNX +8.7%. NSP +7.7%.More news on: Chegg, Inc., NN, Inc., GenMark Diagnostics, Inc., Stocks on the move, , Read more ...