Michael Gurka, founder of BruinHill Partners, says stocks have moved up too fast and the path is sustainable.» Read More
Philip Bowman, CEO of Smiths Group, says the company is not looking to sell its struggling medical business.
Bob Parker, senior investment, strategy and research advisor at Credit Suisse, says any sell-off in the bond market following news of a rate hike will be slow.
There has been an "onslaught of scaremongering" in the Scotland referendum debate, Jil Murphy, Edinburgh group leader at Business for Scotland, says, adding that a "yes" vote will benefit Scottish business.
Bruno Jeanbart, director of political studies and opinion polls at Opinionway, says the French government will find it difficult to pass the 2015 budget because some members of the socialist party are unhappy.
Martin Arnold, director of ETF Securities, says investors are turning their attention to agricultural and energy commodities and turning away from gold.
French politicians tell CNBC that French politicians need to "roll their sleeves up" in order to enact structural reforms to revive the struggling economy.
Adam Cole, head of currency strategy at RBC, says the Federal Reserve's language will change less than the market expects which will see the dollar weaken.
CNBC's Helia Ebrahimi reports on the mood in Scotland as citizens remain undecided ahead of the independence referendum.
Eddy Hargreaves, analyst at Canaccord Genuity, says that if AB InBev bought SABMiller, the company would own 35 percent of the global beer market "forever".
Scott Thiel, head of European and global bonds at Blackrock, says ECB policy has caused German bond yields to fall to low levels which is pushing investors to higher risk assets such as Italian and Greek paper.
European shares opened slightly lower on Tuesday with investors looking ahead to a key Federal Reserve policy meeting this week as well as a referendum on Scottish independence.
Max King, portfolio manager at Investec Asset Management, and Bill O'Neill, head of CIO U.K. wealth management research at UBS, discuss whether investors should buy technology stocks or stick with value names.
Manish Singh, strategist and head of investments at Crossbridge Capital, says he is "not convinced" by Alibaba's valuation but the long-term prospects for the stock are promising.
Jim Paulsen, chief investment strategist at Wells Capital Management, says the consensus that U.S. equities will outperform the euro zone is "overblown".
Jim Paulsen, chief investment strategist at Wells Capital Management, says the U.S. Federal Reserve will strike a more hawkish tone at its policy meeting which will cause short-term turbulence in the market.
Jim Paulsen, chief investment strategist at Wells Capital Management, says growth stocks have "promise" despite a correction as U.S. companies' spending will find its way into many technology firms.
Rob Halliday-Stein, founder and MD of BullionByPost, says the company saw a 41 percent surge in gold sales to Scotland last week as residents fear a "yes" vote in the referendum.
CNBC's Hadley Gamble discusses the challenges in defeating Islamic State militants due to the mistrust of the U.S. from Middle Eastern countries.
Sir Martin Sorrell, CEO of WPP, says Chinese technology firms like Alibaba and Xiaomi will be "as good, if not better" than western companies.
Ian Shepherdson, chief economist at Pantheon Macroeconomics, says the momentum will not be out of technology stocks for long despite a sell-off in the sector.
Cutmore anchors CNBC’s flagship "Squawk Box" in EMEA; the three-hour show bookends the opening of European equity markets.
Based in London, Tso co-anchors CNBC flagship show in EMEA, Squawk Box, a show that sets the news agenda every trading day.
Sedgwick co-anchors CNBC's flagship program "Squawk Box" (Europe) and is also CNBC's OPEC reporter covering major meetings.