...Moderate revenue recovery in 2014 benefited certain U.S public finance credits, and for the first time since 2008, annual upgrades exceeded downgrades. For all U.S. public finance sectors in aggregate, the number of upgrades increased in 2014 from 2013 while the number of downgrades decreased. Downgrades: There were 142 downgrades in 2014 versus 189 downgrades in 2013. Downgrades represented 4.2% of all rating actions and the par value totaled $214.0 billion. The number of downgrades was at its lowest level since 2008. Upgrades: Upgrades totaled 183 in 2014, up from 101 in 2013. Upgrades represented 5.4% of all rating actions and the par value totaled $99.7 billion. The number of upgrades was at its highest level since 2009. Downgrade to Upgrade Ratios Mixed: The annual downgrade to upgrade ratio by rating action was 0.8:1, decreased from 1.9:1 in 2013, and was at its lowest level since 2008. The downgrade to upgrade ratio by par was 2.1:1, increased from 1.1:1 in 2013. Outlooks: At the...