speculation
US /ˌspek.jəˈleɪ.ʃən/
UK /ˌspek.jəˈleɪ.ʃən/

1.
spéculation, conjecture
the forming of a theory or conjecture without firm evidence
:
•
His disappearance has led to much speculation.
Sa disparition a donné lieu à de nombreuses spéculations.
•
There was widespread speculation that he would resign.
Il y avait de larges spéculations selon lesquelles il démissionnerait.
2.
spéculation, investissement risqué
investment in stocks, property, or other ventures in the hope of gain but with the risk of loss
:
•
He made his fortune through shrewd financial speculation.
Il a fait fortune grâce à une spéculation financière astucieuse.
•
The real estate market is prone to periods of intense speculation.
Le marché immobilier est sujet à des périodes de forte spéculation.