Superior Offshore (DEEP) Company warns of liquidity problems. Down to $1.20 from 52-week high of $19.58.

Medarex (MEDX) Pfizer ends joint drug trial. Sells off to $7.44 from 52-week high of $18.23.

Crocs (CROX) Downgrade by JP Morgan. Falls to $15.53 from 52-week high of $75.21.

Riverbed Technology (RVBD) No big, bad news. Stock down to $13.62 from 52-week high of $52.81.

Verifone (PAY) CFO is out after restatement. Shares drop to $12.65 from 52-week high of $50.

Schering-Plough (SGP) Fitch downgrades after negative comment on key drug product. Falls to $13.91 from 52-week high of $33.81.

Douglas A. McIntyre