oh! I've found very interesting link http://finance.yahoo.com/unusualvolume/falling WTNY fall 3.5% at 1,671% volume change PXT fall 6.48% at 561% volume change May be it is possible to use these information?
Maybe another angle to your question is, "What stocks have a high degree of exposure to the Southeast region?" Try http://www.google.com/search?q=southeastern+site:finance.yahoo.com/q?s Some examples ETR CTL MDR SGR FCX HIB STEI DDS BLS WINN SONC RVI HUG PTRY ASO DRCT AMED