Upgrades and downgrades for Thursday April 26, 2012 as 8:10 A.M. EDT

Upgrades

Akamai Technologies (AKAM, quote) was upgraded from Hold to Buy at Jefferies

Downgrades

Dana (DAN, quote) was downgraded from Buy to Neutral at Goldman Sachs

ABB LTD  (ABB, quote) was downgraded by CA Cheuvreux to underperform, the equivalent of sell, from outperform on U.S. ratings.