North America
Wall Street ends down on global jitters; oil stocks lower
Wall Street closed lower on Monday as investors fretted about Greece's precarious financial condition and slowing growth in China, while energy stocks fell on weaker oil prices.
Noble Energy to buy Rosetta Resources for about $2 billion
Oil and natural gas producer Noble Energy Inc (NBL.N) said it would acquire Rosetta Resources Inc (ROSE.O) for about $2 billion in stock, highlighting a consolidation being driven by a steep fall in global oil prices.
T Rowe's challenge to Dell deal may fuel critics of 'appraisal'
An increasingly popular tactic used by hedge funds and others to extract more money from buyouts could face a major courtroom test as soon as Monday, when a big investor in Dell Inc may argue that it should be paid a higher price for the 2013 acquisition of the PC maker.
USAA creates research team to study use of bitcoin technology
USAA, a San Antonio, Texas-based financial institution serving current and former members of the military, is studying the underlying technology behind the digital currency bitcoin to help make its operations more efficient, a company executive said.