** Shares of oil and gas retailer Origin Energy ORG.AX rise 1.2% to A$11.81

** Jarden upgrades rating to "Neutral" from "Underweight" and raises price target to A$11.30 from A$10.95

** Brokerage says ORG's qtrly results indicate a decline in upstream production as the Australia Pacific LNG project grapples with strategies to restore output to prior levels

** However, as Jarden's forecasts already account for increased capex and reduced production, the emphasis is on strong momentum developing in energy markets division

** UBS says ORG's "solid" quarterly results de-risk Australia Pacific LNG project production and costs into the medium term

** Stock down ~2% this week, set for its worst week since June 16

(Reporting by Kumar Tanishk in Bengaluru)

((Tanishk.Kumar@thomsonreuters.com; X: @thatstanishk http://www.x.com/thatstanishk;))