underperform
verb [ I or T ]
uk/ˌʌndəpəˈfɔːm/ usto operate in a less successful way than other things of the same type:
The company has underperformed for a long time.
FINANCE
to make less profit than other investments of the same type:
The company's shares have underperformed the market by 35%.
underperformance
noun [ U ]
The Bank's shares should improve their recent 20% underperformance against the rest of the banking sector.