Todd Horwitz, author and founder of Averagejoeoptions.com, says the U.S. equity market is "very close to a top" and could start to see some selling pressure.» Read More
Martin Schulz, senior economist at Fujitsu Research Institute, says the Bank of Japan's pledge to cut the corporate tax rate will give the country much-needed business investment.
CNBC's Yousef Gamal El-Din discusses the latest developments in Iraq as U.S President Barack Obama said the government is weighing "all options" to fight the militants.
Neil Atkinson, head of analysis at Lloyd's List Intelligence, says a "severe escalation" of the violence in Iraq could see oil prices push above $120 a barrel.
Matthew McCormick, principal and portfolio manager at Bahl & Gaynor, says that now is the time to be more cautious on the U.S. market and prepare for some choppiness.
Michael Acton Smith, CEO of Mind Candy, says the company is turning its Moshi Monsters game into a franchise and discusses its next game ¿ World of Warriors ¿as well as the challenges with mobile gaming.
Adrienne Tennant, senior vice president and specialty apparel analyst at Janney Montgomery Scott, comments on Lululemon's results and the group's forward guidance.
Amelie Wisniak, co-founder and CEO of SportChaser, says the company should launch an app within the next six months and that it plans to expand further in the U.S. before it starts thinking about global expansion.
Greg Marsh, co-founder and CEO of onefinestay, says the service offers an alternative to luxury city center accommodation and discusses the environment for start-ups in the U.K. and London.
Thomas Costerg, economist for financial markets at Standard Chartered Bank, comments on the soccer World Cup and the U.S. soccer and economic performance.
Gareth McCartney, head of equity syndicate at UBS and Joseph Schuster, founder of IPOX Scuster, discuss the IPO market and valuations.
Uber is launching a booking service for London's black cabs says Jo Bertram, general manager for the U.K. and Ireland at Uber, who also gives us her take on the taxi strike across Europe.
Abdul Kareem Luaibi, Iraqui oil minister, says that the Iraqui government is taking "very strong action" to deal with violence in the north but that the violence is no threat to oil supply.
Bijan Namdar Zanganeh, Iranian oil minister, discusses the "illegal limitations" imposed on the country's oil production and the on-going talks between Iran and the P5+1.
Diezani Alison-Madueke, Nigeria's oil minister, discusses the impact the U.S. shale revolution has had on Nigeria and says the country is now looking to strengthen its relationship with India and China.
Jason Schenker, president and chief economist at Prestige Economics, discusses the oil price amid geopolitical tensions in Iran and Iraq.
Ali bin Ibrahim Al-Naimi, Saudi oil minister, says that there is "no risk" for the oil price at the moment and that only speculation makes the price fluctuate.
David Stulb, global forensics leader at EY, discusses the results of the annual Global Fraud Survey and warns that year-on-year improvements are very slow.
Marvin Barth, head of foreign exchange research for Europe at Barclays, discusses the U.K. economy and the strength in sterling.
James Ferguson, founding partner at The MacroStrategy Partnership, says that Treasurys usually go down, not up, when quantitative easing programs end.
Paul Ingrassia, managing editor at Reuters, speaks about GM ahead of the group's annual meeting, adding that it doesn't appear to have been hurt in either its sales or stock price by the recall scandal.
Chatterley is CNBC’s European reporter covering key business and political events, as well as regular Eurogroup and EU leaders summits in Brussels.
Wilfred Frost is anchor of Worldwide Exchange, joining CNBC in 2014.
Seema Mody is a CNBC reporter and host of the "Trading the Twicker" segment on "Fast Money."