underperform
verb[IorT]
uk/ˌʌndəpəˈfɔːm/ustooperatein a lesssuccessfulway than other things of the sametype:
Thecompanyhas underperformed for alongtime.
FINANCE
to make lessprofitthan otherinvestmentsof the sametype:
The company'sshareshaveunderperformed themarketby 35%.
underperformance
noun[U]
The Bank'ssharesshouldimprovetheirrecent20% underperformance against therestof thebankingsector.