Categories Articles $$ Another Positive Economic Sign??? Sh#T Post author By ToddSullivan Post date June 23, 2010 Yeah……>80% correlation with GDP… HT Reader Alex for this information… Buffett fans will remember he would gauge economic activity by counting rail cars when he was younger…the more things change, the more they stay the same.. (Click to open larger) Tags theory ← $$ NAREIT Index Update → Subs $$: Temp. Trends Still Very Positive : Updated With Today’s Data