Weak Sister


Also found in: Dictionary, Idioms.

Weak Sister

Informal for the security in a portfolio or fund that performs worse than all other securities in the portfolio or fund. One may consider dropping the weak sister unless there is significant growth potential in the future.
References in periodicals archive ?
Add to that the perception in the Muslim world that Obama is a weak sister, the US might as well take its good intentions and go home to quibble about important things like the definition of rape and whether women are qualified to hold leadership positions.
While the opera is fundamentally very different from Filumena, Frobisher in its Banff incarnation proved no weak sister to its elder sibling and constitutes an impressive accomplishment for both the opera's creators and performers.
This should be a good test to start out with because they're no weak sister team,'' Hart coach Dave Munroe said.
A series of bad management decisions during the 1990s made the once proud company a weak sister among top U.
Couldn't be nothing like a blue norther, they chuckled, sneering at the locals' weak sister