Lionel Barber of Financial Times recommends:

	Lionel Barber recommends
01 Groupon is at a loss to justify itself John Gapper wrote a devastating column on Groupon, the online discount darling which has filed for a lucrative IPO.
02 Saudis seek higher Opec output quotas David Blair, Javier Blas and Jack Farchy did a great job tracking discord at Opec, before and after the meeting (which was described as "the worst ever" by Saudi Arabia's oil minister).
03 Vietnam seeks US support in China dispute Ben Bland supplied excellent coverage of Vietnam has calling on the US and other nations to help resolve the escalating territorial disputes in the South China Sea.
04 Citi admits customer data at risk after breach Suzanne Kapner broke the news of a computer breach affecting hundreds of thousands of Citigroup customers. She had learnt that several FT reporters were having problems with their Citi cards and followed up with her scoop.
05 Zhou's cryptic caution lost in translation Richard McGregor revealed that Zhou Enlai's famous comment that it was "too early" to assess the impact of the French revolution was in fact a reference to the 1968 student uprising not the storming of the Bastille in 1789. A wonderful tale, much quoted the next day on television and radio.
06 Pentagon sees Libya military costs soar Jeremy Lemer and Christine Spolar broke the news that the US is spending $2m a day on the mission in Libya. Their report remained in our most-clicked list for days.
07 Lunch with the FT: David Mamet John Gapper's elegant Lunch with the FT with David Mamet was widely followed, especially the dramatist's comments about anti-Semiticism
08 Diageo nears settlement over bribery probe Kara Scannell and Louise Lucas revealed that Diageo was nearing an agreement to pay more than $10m to settle a US regulatory investigation into alleged violations of the foreign corrupt practices act.
09 How the mightily busy are fallen Gary Silverman's New York notebook was a gem. It featured the errant male politician in its American, Austrian and French varieties as well as the notable line on the tweeting Congressman Anthony Weiner: "He may be the first prominent US politician to become ensnared in a sex scandal without getting up from his desk."
10 Invasion of the body hackers Your body is the ultimate computer – why not give yourself an upgrade? April Dembosky Met the 'self-quantifiers' of Silicon Valley.