Ben White, chief economic correspondent at Politico, says that if a deal is reached with Iran, President Barack Obama should expect "a big political fight" in Washington.» Read More
Annika Falkengren, president and CEO of SEB, explains that she is more optimistic on Europe's economic prospects over the long-term as challenges remain in the short-term.
Simon Quijano-Evans, head of emerging markets research at Commerzbank, discusses Barack Obama and NATO's position on the Ukrianian crisis.
Tim Condon, head of research for Asia at ING Financial Markets, comments on the bounce in risk assets following reports of a ceasefire between Ukraine and Russia and on Putin's strategy in Asia.
David Bloom, global head of foreign exchange strategy at HSBC, discusses the euro zone's economy and says that euro/dollar should go lower as the ECB gears up for QE and the Fed gets ready to hike rates.
Ben Lichtenstein, president at TradersAudio.com, says investors should focus on "long-sided opportunities" as the U.S. equity market continues to be "on a tear to the upside".
Dan Morris, global investment strategist at TIAA-CREF Asset Management, says the environment is "pretty good" at the moment - especially for U.S. equities - but advises being cautious on Europe.
Jason Wagenhein, vice president at Teen Vogue, discusses the back to school season for retailers and highlights the need for a social media strategy as teenagers turn to their smartphones for inspiration.
Peter Oppenheimer, chief global equities strategist at Goldman Sachs, explains why he's cut his 12-month euro target and outlines his sector picks going forward - which include banks and health care.
Bronek Masojada, CEO of Hiscox, comments on a survey which found that small and medium businesses seem to have turned the corner from recent economic difficulties.
Nik Stanojevic, equity analyst at Brewin Dolphin, says BT's venture into sports TV is paying off as its broadband net add has increased significantly.
Tim Harris, CEO of Harris Capital, says the ECB could announce the purchase of asset-backed securities on Thursday in order to "get the liquidity flowing".
Christopher Granville, managing director at Trusted Sources, discusses whether NATO could find a resolution to the Ukrainian crisis and highlights that Ukraine is "a very divided country".
Richard Mallinson, geopolitical analyst at Energy Aspects, says the Ukrainian crisis should have little impact on oil supply, but highlights that oil prices could respond to other geopolitical risks.
Jon Jonsson, global fixed income manager at Neuberger Berman, says that European data is "close to the bottom" and discusses sovereign bond yields in Europe.
U.K. equity market "mammoth" Neil Woodford is selling his HSBC shares, arguing that the size of a potential fine against the bank is unquantifiable, CNBC's Helia Ebrahimi reports
Gina Sanchez, chairwoman and founder of Chantico Global, says the market is due a correction as equities are now "above fair values" and divergent from the fundamental economy.
Marie-Alicia Chang, co-founder of Semetric, discusses the music industry and how live events such as festivals drive online streaming and downloading.
Arndt Ellinghorst, head of automotive research at ISI Group, comments on European car sales - including in sanctions-hit Russia - and says the future of automobile "will be electric".
Peter Thal Larsen, Asia editor at Reuters Breakingviews, discusses China's debt level and highlights that as most of the debt is held domestically, it is easier for the authorities to sort it out.
Timothy Ash, head of emerging markets research at Standard Bank, says the West and markets are "sleep-walking through the Ukraine crisis" and ignoring the ongoing "full-scale war".
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."