After a small dip last quarter, the optimism of Colorado business leaders grew modestly for the start of 2016, according to the Leeds Business Confidence Index released today by the °ÄÃÅ¿ª½±½á¹û2023¿ª½±¼Ç¼’s Leeds School of Business. At 55.4, the overall first-quarter reading is up from 53.5 last quarter and down by 5.7 points from one year ago.