These issues explain today's markets selloff By: CNBC.com News October 09, 2014 at 15:14 PM EDT Markets are facing the collision between a slowdown in global growth (ex-U.S.) and the Fed debate on when it should raise interest rates. Read More >> Related Stocks: Energy Select Sector SPDR Europe ETF FTSE Vanguard MATERIALS Russell 2000 Growth Ishares ETF