I think this is a comprehensive list. hope it helps you!
DXSLX S&P 500® Bull 2.5x Fund S&P 500® 250%
DXQLX NASDAQ 100® Bull 2.5x Fund NASDAQ 100® 250%
DXMLX Mid Cap Bull 2.5x Fund S&P® MidCap 400 250%
DXRLX Small Cap Bull 2.5x Fund Russell 2000® 250%
POTCX NASDAQ-100® Bull 1.25x Fund NASDAQ 100® 125%
PDOWX Dow 30 Bull 1.25x Fund Dow Jones Industrial Average 125%
Domestic Bear
DXSSX S&P 500® Bear 2.5x Fund S&P 500® -250%
DXQSX NASDAQ 100® Bear 2.5x Fund NASDAQ 100® -250%
DXRSX Small Cap Bear 2.5x Fund Russell 2000® -250%
International Bull
DXELX Emerging Markets Bull 2x Fund MSCI Emerging Markets 200%
DXDLX Developed Markets Bull 2x Fund MSCI EAFE® 200%
DXJLX Japan Bull 2x Fund Nikkei® 225 200%
DXZLX Latin America Bull 2x Fund S&P® Latin America 40 200%
DXHLX China Bull 2x Fund FTSE/Xinhua China 25 Index 200%
DXILX India Bull 2x Fund MSCI India Index® 200%
International Bear
DXESX Emerging Markets Bear 2x Fund MSCI Emerging Markets -200%
DXDSX Developed Markets Bear 2x Fund MSCI EAFE® -200%
DXHSX China Bear 2x Fund FTSE/Xinhua China 25 Index -200%
DXZSX Latin America Bear 2x Fund S&P® Latin America 40 -200%
Commodity
DXCLX Commodity Bull 2x Fund Morgan Stanley® Commodity Related Index 200%
DXCTX Commodity Trends Strategy Fund S&P Commodity Trends Index -
Currency Bull
DXDBX Dollar Bull 2.5X Fund U.S. Dollar® 250%
Currency Bear
DXDDX Dollar Bear 2.5x Fund U.S. Dollar® -250%
Fixed Income Bull
DXKLX 10 Year Note Bull 2.5x Fund 10 Year Treasury Note 250%
PDHYX Dynamic HY Bond Fund Total Return in High Yield Bonds -
Fixed Income Bear
DXKSX 10 Year Note Bear 2.5x Fund 10 Year Treasury Note -250%
PHBRX HY Bear Fund Total Return in Declining High Yield Bonds -
Money Market
DXMXX US Government Money Market
DXSLX S&P 500® Bull 2.5x Fund S&P 500® 250%
DXQLX NASDAQ 100® Bull 2.5x Fund NASDAQ 100® 250%
DXMLX Mid Cap Bull 2.5x Fund S&P® MidCap 400 250%
DXRLX Small Cap Bull 2.5x Fund Russell 2000® 250%
POTCX NASDAQ-100® Bull 1.25x Fund NASDAQ 100® 125%
PDOWX Dow 30 Bull 1.25x Fund Dow Jones Industrial Average 125%
Domestic Bear
DXSSX S&P 500® Bear 2.5x Fund S&P 500® -250%
DXQSX NASDAQ 100® Bear 2.5x Fund NASDAQ 100® -250%
DXRSX Small Cap Bear 2.5x Fund Russell 2000® -250%
International Bull
DXELX Emerging Markets Bull 2x Fund MSCI Emerging Markets 200%
DXDLX Developed Markets Bull 2x Fund MSCI EAFE® 200%
DXJLX Japan Bull 2x Fund Nikkei® 225 200%
DXZLX Latin America Bull 2x Fund S&P® Latin America 40 200%
DXHLX China Bull 2x Fund FTSE/Xinhua China 25 Index 200%
DXILX India Bull 2x Fund MSCI India Index® 200%
International Bear
DXESX Emerging Markets Bear 2x Fund MSCI Emerging Markets -200%
DXDSX Developed Markets Bear 2x Fund MSCI EAFE® -200%
DXHSX China Bear 2x Fund FTSE/Xinhua China 25 Index -200%
DXZSX Latin America Bear 2x Fund S&P® Latin America 40 -200%
Commodity
DXCLX Commodity Bull 2x Fund Morgan Stanley® Commodity Related Index 200%
DXCTX Commodity Trends Strategy Fund S&P Commodity Trends Index -
Currency Bull
DXDBX Dollar Bull 2.5X Fund U.S. Dollar® 250%
Currency Bear
DXDDX Dollar Bear 2.5x Fund U.S. Dollar® -250%
Fixed Income Bull
DXKLX 10 Year Note Bull 2.5x Fund 10 Year Treasury Note 250%
PDHYX Dynamic HY Bond Fund Total Return in High Yield Bonds -
Fixed Income Bear
DXKSX 10 Year Note Bear 2.5x Fund 10 Year Treasury Note -250%
PHBRX HY Bear Fund Total Return in Declining High Yield Bonds -
Money Market
DXMXX US Government Money Market