Jon Stainer, President EMEA at Repucom, discusses Wimbledon's social media profile and the importance of brand engagement.» Read More
Valentin Marinov, director of FX strategy at Citi, says investors should still be long sterling against the euro.
Kristina Church, analyst at Barclays, says Peugeot will lose market share globally with a weak European macroeconomic situation weighing on the automaker.
Jeff Kilburg, founder and CEO of KKM Financial, says it will be "political suicide" if the Federal Reserve reignites quantitative easing.
Lawrence Lundy, ICT consultant at Frost and Sullivan, says iPad sales are falling because they are getting "squeezed" between Apple's Macs and the larger screen iPhone 6 Plus.
Catherine Wood, founder and CEO of ARK Investments, says "high octane" technology companies like Tesla and Netflix are gaining market share in their sectors and are attractive stocks to buy.
David Scranton, CEO and founder of Scranton Financial Group and Advisor's Academy, says institutional investors are "nervous" in the current volatile market environment.
Steve Mader, retail insights director at Kantar Retail, says Asos is not the right company for Amazon to consider acquiring as the U.S. e-commerce giant has expertise in that area already.
Peter Thal Larsen, Asia editor at Reuters Breakingviews, says it is "hard to see" how talks between students and officials in Hong Kong will resolve the protests.
Tom Elliott, international investment strategist at DeVere Group, says stock markets will recover and he is still overweight equities.
Adam Tanner, fellow at the Institute for Quantitative Social Science at Harvard University, discusses how casinos in Las Vegas collect data and what they use it for.
Jeffrey Saut, chief investment strategist at Raymond James, says despite the recent market wobbles, we're in an 8 to 10 year "secular bull market".
Eric Sugandi, Indonesia economist at Standard Chartered Bank, says President Jokowi's first priority is to "reform budgets" and "hike the fuel budgets".
Brian Armstrong, co-founder of Coinbase, says bitcoin has better "properties" than the U.S. dollar as it relies on the "laws of math" rather than politicians.
Kerry Craig, market strategist at JPMorgan Asset Management, says earnings could provide respite to European stock markets as a weaker euro could help companies' results.
Ben Lichtenstein, president at TradersAudio.com, comments on U.S. markets ahead of the open and says that there could be some big moves in the tech sector if the rally resumes.
James Dix, securities analyst at Wedbush Securities, comments on Google's third quarter earnings and explains why he is neutral on the stock.
Jim O'Sullivan, chief U.S.economist at High Frenquency Economics, comments on U.S. markets ahead of the open and says that there could be some big moves in the tech sector if the rally resumes.
Martin Leclerc, CIO and portfolio manager at Barrack Yard Advisors, outlines his European strategy and says cheap utilities and small to midcaps companies are still attractive.
Philip Hoffman, CEO of The Fine Art Fund Group, says the art market is "pretty strong" as the Frieze Art Fair continues and says that about $3 billion of art should be sold in New York in November.
Martin Arnold, global foreigne xchange and commodity strategist at ETF Securities, says oil prices have probably reached their lowest point for the year as they are not sustainable for OPEC producers.
Carolin Roth is co-anchor for Worldwide Exchange and based in London. Fluent in both German and English, she was previously CNBC's correspondent in Zurich.
Wilfred Frost is co-anchor for Worldwide Exchange, joining CNBC in 2014.
Seema Mody is co-anchor for Worldwide Exchange, having joined CNBC in July 2011 as a reporter focusing on market-moving stories that impact Wall Street.