The Nasdaq stock exchange is associated with many of the biggest information technology companies in the world, and the USAA Nasdaq 100 Index Fund (NASDAQMUTFUND: USNQX) tracks the index that includes the 100 biggest non-financial stocks listed on the Nasdaq. Like the exchange-traded fund PowerShares QQQ (NASDAQ: QQQ), the Nasdaq 100 index fund aims to match the performance of its target benchmark, while keeping expenses as low as possible.