David Cameron said a re-elected Conservative government would raise the threshold for the country's 40 percent rate of income tax
Factory activity in the euro zone slowed in September, as Germany's manufacturing sector contracted for the first time in 15 months.
Tesco said Britain's financial watchdog had started a full investigation into the company in the wake of an accounting scandal.
Supermarket chain Sainsbury's saw sales slip in its second quarter, with shoppers making more frequent visits but spending less.
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Lindsey Piegza, chief economist at Sterne Agee, says U.S. markets are "holding their breath" for Friday's jobs report to see if the loss of momentum will continue.
Brian Reynolds, chief market strategist at Rosenblatt Securities, discusses the threat of deflation and says that with U.S. inflation expectations "plunging", it's difficult to see how the Fed "can tighten".
Natalie Berg, grocery research director at Planetretail, comments on U.K. supermarkets - such as Sainsbury's and Tesco - and says the challenge for Tesco is that they're not "sure what they're about".