Thrift Savings Plan

[Snippy]

Hi folks,
Can I get some feedback regarding the S fund and it's associated tickers? My research shows that there isn't a definitive ticker which is 100% equal to the S fund unless I'm off point, but my analysis and allocation activity associated to the $EMW Wilshire 4500 should have shown a huge gain since there was a 3.5 spike. I also reallocated the same day to prevent the expected loss the following day. My TSP balance did not track the same. If anything, I saw a reduction. New detail shows that the ticker of DWCPF shows to be more in line.
Again....any feedback on this?
Thanks much!