Form SCHEDULE 13G/A NLIGHT, INC. Filed by: VANGUARD GROUP INC

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GSI Group, Inc. (NASDAQ: LASR) Delayed: 65.20 +0.47 (0.73%)
Previous Close $64.73    52 Week High $13.12 
Open $65.12    52 Week Low $2.06 
Day High $65.54    P/E N/A 
Day Low $62.78    EPS $0.00 
Volume 770,157