overinvested

/OW1 V ER0 AH0 N V EH1 S T AH0 D/
verb
  1. 1

    To invest an excessive amount.

adjective
  1. 1

    Subject to excess levels of investment

Source: https://en.wiktionary.org/wiki/overinvest, https://en.wiktionary.org/wiki/overinvested