Here are the ASX-listed companies with the biggest gains on Friday.

Electro Optic Systems (ASX:EOS): +15%, AU$11

Elsight (ASX:ELS): +13%, AU$7.18

4DMedical (ASX:4DX): +12%, AU$3.74

Judocapitol FP (ASX:JDO): +11%, AU$1.54

Flight Centre Travel Group (ASX:FLT): +8%, AU$10.96

West African Resources (ASX:WAF): +8%, AU$3.19

Lindian Resources (ASX:LIN): +8%, AU$0.83

Ora Banda Mining (ASX:OBM): +7%, AU$1.36

Vulcan Energy Resources (ASX:VUL): +7%, AU$3.89

Westgold Resources (ASX:WGX): +6%, AU$5.18