Definition from Wiktionary, the free dictionary
subinvestment (not comparable)
- (finance) Not at a level where investment is considered wise or profitable.
2007 December 20, Vikas Bajaj, “Bond Insurer Cut to Junk; Negative Outlook for 4 More”, New York Times:
- The biggest impact of the S.& P. announcement was felt by investors who had bought protection from the ACA Financial Guaranty Corporation, whose rating was cut to CCC, a subinvestment grade, from an A rating.