Other main components of the Fund include Joy Global ( JOYG), Bucyrus International ( BUCY) and Walter Energy ( WLT).

FORBES: Coal Stocks Advance Following Strong Earnings from Consol Energy and JP Morgan Analyst Report

Among the largest underlying components of KOL, in trading today Joy Global Incorporated ( JOYG) is off about 4.3%, and Peabody Energy Corporation ( BTU) is lower by about 1.8%.

FORBES: Coal Stocks Less Attractive To Investors This Week

Among the largest underlying components of KOL, in trading today CONSOL Energy Incorporated ( CNX) is off about 5.1%, and Joy Global Incorporated ( JOYG) is lower by about 3.6%.

FORBES: Investors Dig Into Coal

Among the largest underlying components of KOL, in trading today Joy Global Incorporated ( NASD: JOYG) is off about 0.8%, Consol Energy Incorporated ( NYSE: CNX) is down about 0.2%, and Peabody Energy Corporation ( NYSE: BTU) is lower by about 1.1%.

FORBES: Coal Outflows Persist -- CNX, JOYG, BTU Top Holdings