Cerner (CERN, news, chart, volatility) shares are up 70 cents to $38.95 and June options are actively traded Wednesday. 10,000 June 42.5 calls recently hit on the bid for $3.30 while two blocks (5,000 ea.) June 32.5 puts traded offerside for $2.55 and $2.60. A block of 700K shares traded at the same time for $39.25. Looks like a substantial collar trade (70 delta) on the Kansas City, MO-based healthcare information services company.