U.S. stock index futures signaled a lower open on Monday, after stocks posted their biggest weekly decline since mid-June last week, following weaker-than-expected gross domestic product data from Japan and as investors looked for reasons to buy.
BlackBerry said its board of directors has formed a special committee to explore strategic alternatives, including going private. Shares soared more than 7 percent in pre-market trading after being temporarily halted following the news. Shares of the troubled smartphone maker have fallen nearly 20 percent this year. Its market value has fallen to $4.8 billion, from $84 billion at its peak in 2008.
"Given the importance and strength of our technology, and the evolving industry and competitive landscape, we believe that now is the right time to explore strategic alternatives," Timothy Dattels, chairman of BlackBerry's Special Committee of the Board, said in a statement.
Separately, Apple is expected to unveil its next-generation iPhone on Sept. 10 ahead of the holiday sales period. Meanwhile, rival Samsung is scheduled to take the wraps off a new Galaxy phone in Berlin, a week ahead of Apple's event, according to sources.