The pound fell almost 10 percent at one point to USD 1.1378 before stabilising around USD 1.2415, still down 1.5 percent from late US levels, leaving traders scratching their heads in the absence of news or market events that would justify such a move.
2016 maybe the "year of reckoning" for some OPEC member countries, RBC Capital Markets warned on Tuesday, ahead of the oil cartel's meeting in Vienna this week.
The media gathering at the company's intimate Town Hall auditorium in Silicon Valley will also give Apple a chance to restate its case for fighting a US government demand that it break into an attacker's iPhone.
Alibaba's US-listed shares were down about 1 percent Thursday. Oppenheimer's Internet analyst Jason Helfstein told CNBC's "Squawk Box" that the stock is moving down on concerns about the yuan.
The economic outlook was further brightened by another report on Wednesday showing the trade deficit hit a seven-month low in September as exports rebounded, a tentative sign the worst of the drag from the stronger dollar may be over.
Nexstar, whose private offer for Media General on Aug. 10 was rejected, said on Monday that the deal would create the second-biggest local TV station operator in the United States.
Saudi Arabia remains the world's largest oil exporter, and it has committed to pumping crude freely despite a recent price decline.
There have been several large deals involving generic drug makers, including industry leader Teva Pharmaceutical Industries Ltd, this year as companies look to gain scale.
The major European markets were also expected to open higher, while the calmer mood prompted a bounce in some hard-beaten commodities including copper.
The results provide evidence that the Anglo-Dutch maker of Dove soap, Lipton tea and Ben & Jerry's ice cream is recovering from a weak 2014, when its business was hammered by slowing emerging markets and currency devaluations. Still, it warned that consumer demand remained weak.
"Unless Microsoft can get to hardware break-even within two years or demonstrate sufficient offsetting value elsewhere in the portfolio, we think the company should exit the hardware business," RBC Capital Markets analysts said in a client note.
The central bank is considering monetary policy at a time when the US economy has hit a soft patch, blamed largely on harsh winter weather, a strong dollar and disruptions at West Coast ports.
During the last year, the tech giant's stock price has soared more than 50 percent and on Tuesday the company's market capitalization reached a record USD 700 billion. But now the lingering question is how long can the momentum last?
In the last two months, GM has recalled more than 3.1 million vehicles in the United States and other markets. The actions started with last month's recall of more than 1.6 million vehicles for faulty ignition switches.
Jamie Dimon, CEO and chairman of JPMorgan Chase, this week successfully fended off a shareholder attempt to change that title by splitting his roles.
Boeing Co said it would cut the production rate for the latest version of the 747 jumbo jet from 2 aircraft per month to 1.75 aircraft citing lower demand for large passenger and cargo planes.
Squabbling in Washington over the debt ceiling is again raising the specter that the United States may be forced to delay payments on its debt. While the stigma of a default would be damaging enough to investor sentiment, the chaos from a breakdown in financial markets' systems that might result would be even scarier.
Producing more airplanes and cutting costs in its defense business helped Boeing Co post stronger-than-expected profit for the third quarter, and the company notched up its earnings forecast for the third time this year.
The European Central kept the pressure on troubled euro zone countries on Thursday, sending a clear signal that while the bank may take further measures to bring sky-high borrowing costs down, struggling countries must act and take responsibility for their finances.
None of the eight countries on the waiting list to join the euro are meeting the required standards at the moment, the European Central Bank's latest convergence report said on Wednesday.
Gustavo Bagattini of RBC Capital Markets spoke to CNBC-TV18 about Greece being on the top of everybody's minds in Europe.
For nervous investors who choose to heed the saying "sell in May and go away," there are several sectors and stocks that analysts recommend considering before withdrawing completely from the market.
Adam Cole, global head of forex strategy at RBC Capital Markets, says that if ECB’s long term refinance operations figure comes in above market expectations, it will add fuel to the rally in global assets.
Gustavo Bagattini, European Economist, FIC Strategy & Research, RBC Capital Markets says there are still hurdles over austerity measures in Greece which need to be overcome before the big EU meet.
Gustavo Bagattini of RBC Capital Markets believes that the decision of a referendum by the Greek Prime Minister will bring into play Greek politics, which will not be good for markets.