公司簡介
- 股票程式碼
- OIH
- 貨幣
- US Dollar (USD)

The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The index includes common stocks and depositary receipts of U.S. exchange-listed companies in the oil services segment. Such companies may include small- and medium-capitalization companies and foreign companies that are listed on a U.S. exchang...