speculative investment
noun[CorU]
FINANCE,STOCK MARKETukusaninvestmentthatcarriesa highlevelofriskofloss, or theactivityofinvestingin thesetypesofinvestment:
The morepeopleusehousingas aformofspeculativeinvestment, thegreatertheriskofsurgesandcollapsesinvalue.
Helostmillions in aseriesofspeculativeinvestments.