NEW YORK (

TheStreet

) -- China's yuan is a popular search after the country said it will allow more flexible exchange rates.

China allowing the yuan to appreciate against the dollar could provide a boost to U.S. manufacturers and exporters. The news is sending markets higher, with the Dow gaining 1.2% to 10,573 and the S&P 500 up 1% to 1,129.32.

Apple's

(AAPL) - Get Report

iOS4 is of high interest as the upgrade arrives today for owners of the iPhone 3GS and 3rd generation iPod touch. While the upgrade will give current users some new features, many of the new capabilities, like multitasking, won't be available unless you purchase a new device.

G20 is a trending topic, as the Group of 20 nations will meet next week in Canada to discuss the future of the economy as it emerges from the recession.

BP's

(BP) - Get Report

CEO Tony Hayward continues to make headlines, as reports surfaced that the oil giant is looking to raise $50 billion to cover its liabilities in the Gulf of Mexico spill.

Last week, the first reports emerged that BP would seek to tap the bond markets with a $5 billion to $10 billion debt deal. Over the weekend, London's

Sunday Times

reported that in addition to the debt deal, BP hopes to raise $20 billion from banks and $10 billion for asset sales over the next two years.

BP had said last week, when announcing its dividend suspension and $20 billion escrow account, that it would seek to divest as much as $10 billion in non-core assets as part of shoring up the balance sheet given the oil spill liabilities.

The chatter on Main Street (a.k.a. Google) is always of interest to investors on Wall Street. Thus, each day, TheStreet compiles the stories that are trending on Google, and highlights the news that could make stocks move.

-- Reported by Jeanine Poggi in New York.

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