Analysis:
GU support 1: 1.8619, just exactly touched. 61.8%, from 2005.11.1 to 2007.11.1
GU support 2: 1.8389, 1.8385, 1.8310: 50% from 2003.4.1 (2003.9.1) to 2007.11.1,
GU support 2: 1.8303: 38.2% from 2001.6.1 to 2007.11.1

AU resistance1: 0.8874, 0.8888: 76.4% from 2008.7.22 (7.15) to 2008.8.13
AU support: 0.8187: 76.4% from 2007.8.12 to 2008.8.13; TL 2006.3.26 low -2007.8.12 low
Other AU supports: 0.8617 (touched); 0.8403-0.8483; 0.8282; 0.8049.

TSL is not always better than a hard SL. Make a decision based on different situations.

GU: +1.62%
this week until now: +1.468%