HMRC: Beware of tax rebate text message scams   Stagecoach calls for inquiry after rail bid document leak   Pet insurance payouts hit record of 785m   National Enquirer sold to US magazine distributor   Debenhams boss Bucher steps down   Pinterest shares soar in stock market debut   ConocoPhillips sells off UK North Sea assets for 2bn   Retail sales boosted by mild weather in March   Crossrail 'could be delayed until 2021'   Facebook copied email contacts of 1.5 million users