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An example of a niche ETF is the Loncar Cancer Immunotherapy ETF (CNCR). This esoteric ETF tracks the Loncar Cancer Immunotherapy Index and invests in 31 stocks that focus on research and development of drugs and technology to fight cancer using immunotherapy.What are the biggest technology ETFs?
Technology Select Focus SPDR Fund ( XLK) XLK is the biggest technology ETF today, with just over $20 billion AUM. The fund tracks the Technology Select Sector Index which provides an exposure to companies that represent the technology sector in the S&P 500 Index.What is an index ETF?
An exchange-traded fund (ETF) is a basket of securities that tracks an underlying index. ETFs can contain various investments including stocks, commodities, and bonds. Index ETFs are exchange-traded funds that seek to track a benchmark index like the S&P 500 as closely as possible.What are the key sectors in the ETFs?
The key sectors are industrial, utility, tech, consumer cyclical, energy, and basic material. The ETF includes companies of different size ranging from large-cap (over 44 percent) through mid-cap (around 32 percent) and small-cap (more than 20 percent) to micro-cap (approximately 2.5 percent) firms.