ETFs are one of the most innovative and successful products introduced on exchanges and have grown tremendously over the years. Many people have an interest in a sector like the banking industry, a bank ETF may be the way to go for investment. Due to its high volatility and liquidity, bank ETFs can be easily traded on margins. Smaller or big traders can easily track the price movements and go short or long depending on the favorable situations. There are various bank ETFs to choose for investing strategy. In 2010 the bank ETF sector has shown some growth while the rest of the financial sectors have either remained flat or have experienced losses.