Take a look here and you will see that Kerry is trading ahead of Dean on the Iowa Democratic Nomination Market at 34 points (as of 9:45 est) to Dean's 24 points. Clark is at 17 points (also down from a high last week of 25) and the Edwards at 22 points. (who is represented by ROF)
Big dive for Dean, small dive for Clark and big boost for Kerry and Edwards.
See the graph below