sameer samana, thank you for joining us. the future of high-speed trading -- we speak to bart chilton at bats global market, knocking it out of the park on his first day of trading. dilma rousseff hit with another blow after the supreme court overturns a government motion that will allow the impeachment to proceed on monday. a look at brazilian stocks this year, up 26% even amidst the turmoil. ♪ lisa: congrats to bats. public for years after a software bug ruin its first ipo attempt. shares trading up on its first day. joining me now for exclusive interview from little rock, arkansas, bart chilton. put thesuccess of bats negative connotations about high-frequency trading to rest? bart: bats was a group of guys that were my frequency traders. these guys have done a great job. duo, if youynamic will, at bats. talk about kid crusaders. caped crusaders. these guys have done a fantastic job. last i checked, before coming in, shares were trading at 2279 .79.22 and nin when they tried to do this in 2012, they were hoping for $16 a