Russell 2000
iShares Russell 2000 (IWM). This ETF trades at 1/100th the value of the underlying Russell 2000 index.

Ultra Russell 2000 (UWM) is leveraged 2x to the upside.

UltraShort Russell 2000 (TWM) is leveraged 2x to the downside.

[Most Recent RUSSELL Chart from www.kitco.com]