Vanguard has en excellent technology sector ETF available. Vanguard is known for its low expenses and loads. Check out Vanguard's website for info on this ETF, here is the link: https://personal.vanguard.com/us/funds/snapshot?FundId=0958&FundIntExt=INT
It honestly depends on what type of software you are trying to learn. There is really no set number of sector ETF's for a general software. Only a few ETF's can be understood in order to know what basic software is.
There is a market for industrial ETF's. There are also websites that list all of the available industrial ETF's.
Many websites offer information on the Japanese ETF market. For starters www.etfzone.com has a broad information base on Japan's ETF. You can also find a complete list of Japan's ETF at www.stock-encyclopedia.com.
ETF stands for Exchange Traded Funds. One can find information on ETF investing from: Investopedia, Tradeking, Forbes, The Globe and Mail, Folioinvesting, Fidelity, CNBC, Kiplinger, Wall Street Survivor to name a few.
The symbol for Global X NASDAQ China Technology ETF in NASDAQ is: QQQC.
A Retail ETF is an Exchange Traded Fund that focuses in the retail sector. ETF's trade on the market just like mutual funds, but have live price fluctuations, unlike mutual funds.
Information about ETF exchange traded funds can be found on the Nasdaq website. There is also a Wikipedia page with information on the ETF exchange traded funds.
As of July 2014, the market cap for Global X NASDAQ China Technology ETF (QQQC) is $22,505,500.00.
There are several websites one can find a Platinum ETF list online. These websites include Stock Encyclopedia, ETF Database, ETF Platinum, and Pattern Stocks.
Local investment firms would be the best place to get information and advising on real estate ETF schemes. Due the the complexity of this type of investment, professional advisement is highly advised.
One great place to find a list of ETF trades is on the ETFDB website where you can compare the available ETF trades. As well as find lists of the best and worst performing ETF's.
You can find an ETF list for the commodity market at seekingalpha.com › ETF › Commodity ETFs. You can also try out etf.about.com/od/commodityetfs/Commodity_ETFs.htm