Tuesday's was the S&P's worst drop since August 24.
Monday's drop followed an 8.5 per cent slump in Chinese markets.
It will be available from April 24.
The Apple Watch sport will start at $349
Apple has said the watch will launch in April
Google launched Wallet in 2011.
Apple's stock market value rose beyond $700 billion.
Profit of $18 billion was the biggest ever reported by a public company, worldwide.
Yahoo Inc plans to spin off its 15 percent stake in China's Alibaba Group Holding Ltd, responding to pressure to hand over to shareholders its prized e-commerce investment valued at roughly $40 billion.
With 1.35 billion users of its Internet social network, Facebook Inc would rank as the world's second-most populous nation if it were a country.
The chipmaker also promised to hire more women
The president's moves will make it easier for entrepreneurs to work in the United States
Many app makers have stopped work on their projects or abandoned them, mostly because of the lack of customers or limitations of the device.
It see modest improvements such as a fingerprint sensor.
Google Inc is expected to command more than a third of the world's $140 billion digital advertising spending this year
Ellison and the two new co-CEOs each stressed that nothing would change under the new management structure, with Ellison staying on as executive chairman and chief technology officer.
The documents shed new light on how the government dealt with US Internet companies that were reluctant to comply with orders from the secretive US Foreign Intelligence Surveillance Court, which rules on government requests to conduct surveillance for national security issues.
Users seem to like the idea too: in a recent survey by technology consultancy IHS, 83 per cent were interested in wireless charging; in China, the figure was 91 per cent.
Apple Inc's embrace of wireless charging for its new Watch may be a defining moment for a technology that's languished for years amid competing standards and consumer confusion.
Apple Inc unveiled a watch, two larger iPhones and a mobile payments service on Tuesday as Chief Executive Officer Tim Cook seeks to revive the technology company's reputation as a wellspring of innovation.