ɪn dʒˈænjuːˌɛɹi tˈuː θˈaʊzənd ɪlˈɛvən, ðə stˈɑːk ɛkstʃˈeɪndʒ stˈɑːk sˈɪmbəl: bˌiːˌɛsˈoʊ wʌz əfˈɪʃəli ˈædᵻd tə ðə ɹˈɛɡjʊlɚ mˈɑːɹkɪt tɹˈeɪdɪŋ.
In January 2011, the stock exchange (stock symbol: BSO) was officially added to the regular market trading.