Standard&Poor's Ratings Services revised its rating on Colorado Housing and Finance Authority's (CHFA) taxable GO housing bonds, series 1992A, to 'A+' from 'A'. The rating is based on CHFA's GO pledge. CHFA's issuer credit rating (ICR) reflects its: Well-diversified and growing loan portfolio, which is characterized by strong insurance coverage and delinquency and foreclosure rates that are comparable with state averages; Strong and stable financial performance; Seasoned management team, with a demonstrated track record of achievement; Success in meeting its legislative mandate and maintaining a strong and positive relationship with the state government; and Colorado's growing and diverse economy. The bonds were issued to finance a portion of the construction for the Denver Dry Goods Building, which was