Depending on who you ask, large-cap stocks have a market capitalization above $5 billion, $8 billion or $10 billion. Regardless of the cap cutoff you choose, large caps are definitely the biggest fish in the equities pond. When you think of most household names, chances are good that they're large caps – Apple Inc. (AAPL), Microsoft Corporation (MSFT) and The Coca-Cola Company (KO), to name a few.

Large-cap stocks are generally considered good bets for long-term investment strategies, particularly for buy-and-hold investors who are looking for stability that is often sweetened with a dose of dividend yield to balance the portfolio. Because of their size, large caps are less likely to succumb to economic pressures and conditions that can interrupt operations and drive down profits for smaller organizations. (See also: What Are Common Advantages of Investing in Large Cap Stocks?)

If you're looking for some large-cap exposure for your IRA or another investment account, exchange-traded funds (ETFs) offer a great alternative to choosing individual equities. ETFs are generally cheap to own and have high liquidity, making them suitable for any type of investor.

Here are three large-cap ETFs outperforming in 2017. (See also: Top 3 Dividend ETFs in 2017.) These funds are focused on technology and large-cap growth stocks which have been top performers in 2017.

Note: Funds were chosen based on U.S. investment, performance and assets under management. The data and year-to-date (YTD) performance figures are as of November 2, 2017.

First Trust NASDAQ 100 Technology (QTEC)

Issuer: First Trust

YTD return: 38.17%

Price: $72.34

Average Volume: 138,494

Assets Under Management: $2,256,476,000

Fee: 0.60%

QTEC is an index fund. It seeks to replicate the performance and yield of the NASDAQ-100 Technology Sector Index. The Fund invests in the largest companies trading on the Nasdaq. The Index is capitalization weighted which gives higher weight to companies with a higher market cap.

This fund has been steadily outperforming the Nasdaq Composite which has also been gaining in 2017 with a YTD return of 37.37%.  One-year, three-year and five-year annualized returns for QTEC are 46.42%, 21.44% and 25.3%, respectively.

iShares Russell Top 200 Growth ETF (IWY)

Issuer: iShares

YTD return: 26.76%

Price: $70.68

Average Volume: 43,627

Assets Under Management: $1,081,404,000

Fee: 0.20%

IWY uses an index replication strategy to track the performance of the Russell Top 200 Growth Index. The Index invests in the 200 largest companies from the Russell 1000.

The Fund has been outperforming the Russell 1000 which has a YTD return of 15.12%. One-year, three-year and five-year annualized returns for IWY are 32.27%, 14.19% and 17.12%, respectively.

iShares Russell 1000 Growth ETF (IWF)

Issuer: iShares

YTD return: 25.07%

Price: $129.97

Average Volume: 1,292,068

Assets Under Management: $38,809,001,000

Fee: 0.20%

IWF is the largest and most easily traded of the three top performing funds. It has assets under management of $38.8 billion and average daily trading volume of 1.3 million shares. The Fund seeks to replicate the Russell 1000 Growth Index. This index includes companies from the Russell 1000 that have been screened for growth characteristics. The Fund includes 554 holdings.

This Fund has also outperformed the YTD return of the Russell 1000 Index. One-year, three-year and five-year annualized returns for IWF are 31.21%, 12.99% and 16.55%, respectively.

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