Oct 6, 2017 鈥 By WSU News Services 鈥 Predict what the closing value of the S&P 500 will be on Friday, Aug. 31, 2018. This was the challenge issued to Kansas business professionals by The Center for Economic Development and Business Research (CEDBR), part of the W. Frank Barton School of Business at 成人头条, at yesterday's Kansas Economic Outlook Conference in 成人头条. All entries for this challenge must be submitted