Sprint Nextel investigates iPhone 4S performance issues; Alca-Lu lowers 2011 profit forecast

> Sprint Nextel is investigating reports that some Apple iPhone 4S customers on its network have been experiencing slower-than-expected data speeds, a senior Sprint executive said. Article

> United Continental Holdings announced today that more than 300 of its United Airlines and Continental Airlines mainline jets will be getting equipped with Wi-Fi starting in mid-2012 with the complete fleet being equipped by 2015. Article

> Alcatel-Lucent lowered its 2011 profit forecast and the company's third-quarter revenue came in lower than analysts' estimates as the vendor said operators were more hesitant to spend amid economic uncertainty, especially in Europe. Article

> Sen. Charles Grassley (R-Iowa) is going to block the nomination of two FCC commissioners while he presses the FCC on his questions about LightSquared. Article

And Finally... Pale-faced but smiling, the crew of a long-duration isolation study emerged bleary-eyed to daylight and applause after 520 days locked away in windowless, cramped cells to simulate the length of a journey to Mars. Article