July 4 (Reuters) - Sainsbury's
* Shares up 2.4 percent after Q1 sales beat analysts' forecasts
* CEO says price position versus rivals improved in Q1
* CEO says Q1 grocery outcome driven by own label performance
* CEO declines comment on possible Nisa deal
* CEO says "not seeing massive change in consumer behaviour"
* CFO says comfortable with analysts' 2017-18 profit consensus of 572 million stg Further company coverage: (London Newsroom)