“The full scope of (the Syria) crisis is difficult to predict at this point, so it becomes an excuse for investors to cash in some of the recent gains,” David Thebault, head of quantitative sales trading, at Global Equities, said in a Reuters article.

Other leveraged European equity ETFs include the ProShares Ultra Europe (NYSEArca: UPV) and the ProShares UltraShort Europe (NYSEArca: EPV).

Barclays ETN+ FI Enhanced Europe 50 ETN

For more information on Europe, visit our Europe category.

Max Chen contributed to this article.