Europe closes at session lows, giving up gains late amidst continued ugly U.S. intraday action. Stoxx 50 -0.3%, led by Italy -1.2%. The euro -0.2% to $1.2951. The FTSE 100 manages a flat close, and sterling puts in a big rally as U.K. Q3 GDP rises 1% vs. an expected 0.6%. FXB +0.5%.