▁Stock ▁Exchange ▁and ▁the ▁Stock ▁Exchange ▁of ▁Maur it ius . ▁ ▁The ▁SE M DEX ▁- ▁the ▁all ▁shares ▁index ▁- ▁reflect s ▁capital isation ▁based ▁on ▁each ▁listed ▁stock ▁which ▁is ▁weight ed ▁according ▁to ▁its ▁shares ▁in ▁the ▁total ▁market . ▁In ▁its ▁computation , ▁the ▁current ▁value ▁of ▁SE M DEX ▁is ▁expressed ▁in ▁relation ▁to ▁a ▁base ▁period , ▁which ▁was ▁chosen ▁as ▁of ▁July ▁ 5 , ▁ 1 9 8 9 , ▁with ▁an ▁index ▁value ▁of ▁ 1 0 0 . ▁ ▁Tr ading ▁takes ▁place ▁five ▁days ▁a ▁week ▁and ▁is ▁conducted ▁through ▁an ▁open ▁out c ry , ▁order - dri ven ▁and ▁single - price ▁au ction ▁system . ▁Each ▁share ▁( ex cluding ▁foreign ▁shares ) ▁has ▁a ▁maximum ▁+ /- ▁ 1 5 % ▁price ▁limit ▁per ▁trad ing ▁session . ▁A ▁ 1 % ▁bro ker age ▁commission ▁is ▁charged ▁by ▁stock bro king ▁companies . ▁There ▁is ▁no ▁tax ▁on ▁divid ends ▁or ▁capital ▁g ains . ▁ ▁Major ▁develop ments ▁took ▁place ▁through ▁the ▁establishment ▁of ▁a ▁new ▁electronic ▁clear ing ▁and ▁settlement ▁system ▁and ▁the ▁introduction ▁of ▁daily ▁trad ing ▁( at ▁the ▁end ▁of ▁ 1 9 9 7 ). ▁Future ▁planned ▁develop ments ▁include ▁the ▁introduction ▁of ▁a ▁new ▁electronic ▁trad ing ▁system ▁and ▁the ▁listing ▁of ▁new ▁financial ▁products ▁on ▁the ▁stock ▁market . ▁The ▁SE M ▁was ▁recently ▁promoted ▁from ▁the ▁status ▁of ▁corresponding ▁exchange ▁to ▁that ▁of ▁affili ated ▁se cur