By Shruti Singh, includes “… That’s driven down the yield on Illinois’s 10-year bonds from more than 6% in March to about 2.8%, reducing the yield penalty investors are demanding to the smallest in nine months, according to Bloomberg’s BVAL indexes. … Gabe Diederich, a portfolio manager at Robert W. Baird & Co., said the drop in Illinois’s bond yields shouldn’t be interpreted as a sign that investors think the state has addressed its financial challenges.”