"World" equity markets have struggled over the past year due to poor performance in Europe and the Far East. The EGPS core A/B equity funds are mandated to be invested in all regions.
The U.S has outperformed but it is not possible to target just U.S. equities in the EGPS A/B accounts.
-$DJW is the Dow Jones Global Index
-$WLSH is the U.S. Wilshire 5000 total market Index
Unfortunately that is the way it is. The C fund offers more specific options but you are generally better off using a low cost broker and low expense ETFs given the current low return environment.