Given its double-digit earnings growth, both historically and, according to S&P Capital IQ, likely to continue, Apple finds itself also at the top of many growth-oriented, market-cap weighted ETFs, Kessler added.

ETFs like the Vanguard Growth Index Fund (NYSEArca: VUG), Schwab U.S. Large-Cap Growth ETF (NYSEArca: SCHG) and SPDR S&P 500 Growth ETF (NYSEArca: SPYG) lean toward Apple. AAPL is 6.0% of VUG, 5.7% of SCHG and 6.1% of SPYG. [Watch Your Apple Exposure in Growth ETFs]

PowerShares QQQ

For more information on the tech sector, visit our technology category.

Max Chen contributed to this article.

Full disclosure: Tom Lydon’s clients own AAPL, QQQ, GOOG and MSFT.