An exchange traded fund (ETF) aimed at the small- and mid-cap gold mining companies has already been greeted with some solid, impressive interest among investors.

Market Vectors Gold Miners Juniors (NYSEArca: GDXJ) is up 7% since its Nov. 11 launch, piquing the interest of investors. Don Dion for The Street days that GDXJ already has an average daily trading volume of more than 2.8 million shares. The father to GDXJ, the Market Vectors Gold Miners (NYSEArca: GDX), has a three-month average daily trading volume of 12.6 million shares. (More on the launch here).

Junior mining stocks have been a good play for investors to take. However, trying to pick one or two winning junior companies is difficult at best. GDXJ holds 39 such companies, offering exposure to the entire sector. The top 10 holdings in the fund make up 46% of the weighting. For that reason, investors and prospective investors should get familiar with GDXJ’s top components. (What about the gold rally?)

Gold prices have soared to a record high of $1,199.49 today as demand for the metal was pushed by a weakening U.S. dollar. Analysts say that despite record-high prices, gold could go even further, reports AFP.

For more stories about gold miners, visit our gold miners category.

The opinions and forecasts expressed herein are solely those of Tom Lydon, and may not actually come to pass. Information on this site should not be used or construed as an offer to sell, a solicitation of an offer to buy, or a recommendation for any product.