DST Systems, Inc. Shareholders Approve Merger With SS&C PR Newswire KANSAS CITY, Mo., March 28, 2018 KANSAS CITY, Mo. , March 28, 2018 /PRNewswire/ -- DST Systems, Inc. (NYSE: DST), a leading global strategic advisory, technology, and operations outsourcing company, today announced that at a Special Meeting of DST Stockholders held today, DST stockholders voted to approve the Company's merger with SS&C (Nasdaq: SSNC). As previously announced on January 11, 2018 , DST entered into a definitive...