投資 とうし有価 ゆうか証券 しょうけんではありませんでした
tōshiyūkashōkendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 投資有価証券

1. Was not an investment security.; Was not a marketable security.

Past/Perfective
Negative
Polite
Formal Register