![](http://web.archive.org./web/20160405143300im_/https://i.guim.co.uk/img/static/sys-images/Business/Pix/site_furniture/2011/4/8/1302267532631/Fiona-Walsh-003.jpg?w=140&h=140&q=55&auto=format&usm=12&fit=max&s=a058d032ea8c014551953552940f5825)
Fiona Walsh
Fiona Walsh is business editor of guardian.co.uk. She has worked for a number of national newspapers, including the Sunday Times, where she was deputy City editor, the Sunday Telegraph, the Daily Mail and the Daily Mirror
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Watchdog Ofgem said more than 500,000 customers had been affected
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Profits at Britain’s largest retailer fall from £779m to £354m following accounting scandal and amid supermarket price war
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Readers had eclectic tastes this year: from innovation, air rage and sales to dodgy packaging
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Managers do own cooking and washing up on corporate trip as Tesco chief Dave Lewis aims to change culture at retailer
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From the Cyprus crisis to coked-up bankers, the horsemeat scandal and the sad death of a young German student, it was another dramatic year in the business world
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Deloitte forecasts total festive season sales figure of £40bn as improving economic conditions encourage looser purse strings
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Battleships plus aircraft plus visitors plus fireworks equals spectacle.
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From the siren call of Christine Lagarde to Bob Diamond's shock resignation and tax avoidance on a global scale, here are the 10 most-read stories from Guardian business in 2012
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Deputy chief executive Tim Mason, who heads loss-making Fresh & Easy chain, to quit supermarket group after 30 years
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Ratings agency S&P downgrades the country's credit rating to BBB-minus as IMF head Christine Lagarde calls on governments to co-operate to heal the world economy
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Shares in Thomas Cook bounced 17% higher as the troubled tour operator confirmed it is close to clinching a £1.2bn refinancing dea
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If you're interested in the global economy - and, let's face it, we all should be - then come along to the first-ever Guardian Open Weekend on 24 and 25 March
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The business year in 2011 was dominated by the eurozone debt crisis – with live blogs accounting for five of our top 10 most-read business stories
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The Guardian has launched three new business blogs to provide news and comment from the increasingly fast-moving worlds of business, finance and economics.
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Talks on raising the debt ceiling may have stalled in Washington, but the famous National Debt Clock on Time Square is poised like a coiled spring
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Fine wines outstripped gold, crude and the FTSE 100 as an investment last year as prices surged for top vintages
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Fans who missed out will be offered first-come, first-served second chance to get seats at less popular events
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There are 423 days until the 2012 London Olympics, but the games are set to give a much-needed boost to Britain's flagging economy in the current quarter
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The man who coined the term Brics is adding four new countries – Mexico, Indonesia, Turkey and South Korea
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Debt, bailouts, more debt and delinquent homeowners were among the themes of our most popular business stories last year
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FTSE 100 bounces back through 6000 mark in final minutes of trading on Christmas Eve
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Randgold shares fall after warning that unrest in Ivory Coast is affecting production at Tongon gold mine
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FTSE 100 treads water just below the briefly breached 6000 level, down 7.76 points at 5988.31
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Shares in JJB Sports group surged 22% as the market welcomed overnight news of a £31.1m fundraising and boardroom shakeup from the ailing retailer
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Private equity group Roark says Atkins diet is misunderstood
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Atkins Nutritional Holdings, the controversial diet firm, is changing hands for the fourth time in seven years
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Political revolt down under gave a boost to mining stocks – and the FTSE 100 – this morning
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Britain's fourth-largest supermarkets chain said sales for the six weeks to 3 January were up by 6.5%
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As the credit crunch entered its third year in 2009, the dominant themes in the business world remained the financial meltdown, global recession, and bankers and their bonuses
Tesco beats forecasts with Christmas sales rise