** The drilling rig maker's shares up as much as 7.1pct after it said finished construction of a second jack-updrilling rig in the Caspian Sea ahead of schedule.
** The company said the completion of the rig, which isexpected to be delivered over the next month, enables it torelease contingencies related to the project.
** The stock's 7 pct jump was its biggest since May thisyear, when it won a major contract. (abhiram.nandakumar.thomsonreuters.com@reuters.net)