POWERSHARES QQQ ETF $105.05 (Nasdaq symbol QQQ; buy or sell through brokers; www. invescopowershares.com), formerly called Nasdaq 100 Trust Shares, holds stocks representing the Nasdaq 100 Index. That consists of the 100 largest shares on the Nasdaq exchange by market cap. The Nasdaq 100 Index contains shares of companies in a number of major industries, including computer hardware and software, telecommunications, retail/wholesale trade and biotechnology. It does not contain financial firms. The fund’s expenses are about 0.20% of its assets. It yields 1.2%. The index’s highest-weighted stocks are Apple, Microsoft, Texas Instruments, Alphabet Inc., Cisco Systems, Intel Corp., Amazon.com, Gilead Sciences, Comcast and Facebook. PowerShares QQQ ETF is a buy for aggressive investors only.