The ETF industry is on a tear. Despite a shaky summer in the markets, the extent to which the investment product continues to gather assets and break investment records in the process is truly something to marvel.

The Investment Company Institute reports that U.S. ETF assets stayed above a record-setting $2 trillion mark at the end of the last quarter. Considering that represents a fraction of the entire investment market, Bloomberg notes it is remarkable how much ETFs account for U.S. trading activity.

"The turnover in ETFs is about 870% a year," Bloomberg reports. "This is more than four times the turnover for U.S. stocks, which comes in at about 200%."

Volatility in international markets punished some fund categories, but plenty of new winners could be found in the investment sectors of science and technology.

Here's a rundown of the most important market statistics from the first half of the year.

Click here to view as a slideshow.

"For perspective, that means the amount of dollars exchanging hands through ETFs is now more than the U.S. gross domestic product, which stands at $17.4 trillion," Bloomberg reports.

Source: Broadridge 

Source: Broadridge 


There have been 239 new ETP launches in the past 12 months, attracting $12.2 billion in net new money.

The science and technology category topped attracted total net assets of more than $1.8 billion over the past four quarters.

Assets in domestic equity ETFs increased $134.94 billion since June 2014, and global equity ETF assets rose $73.89 billion during this period. At the end of June 2015, assets of bond funds were $314.44 billion and hybrid funds were $3.69 billion.