I was researching the effect of a symbol change on shorters. Came up with this: <a href="http://findarticles.com/p/articles/mi_m0EIN/is_2004_July_19/ai_n6112093/pg_1" target="_blank">http://findarticles.com/p/articles/mi_m0EIN/is_2004_July_19/ai_n6112093/pg_1</a> draw your own conclusions