The company expects a pretax loss due to changes in pension and post-employment plans and abandonment of certain copper assets.
Dragging down the rest of the company Sony's mobile unit posts a quarterly operating loss of $1.6 billion on $2.8 billion in revenue.
First quarter for new CEO Marcelo Claure was a rocky one, with growth largely driven by the carrier's wholesale business, but there were signs of progress.
The e-commerce company misses Wall Street expectations and reports a third-quarter loss of $437 million. More critically, it warns that its fourth-quarter revenue will also disappoint.
The world's largest chipmaker by sales continued to post stronger numbers in its PC and data-center businesses, but its mobile unit posted just $1 million in revenue and another huge loss.
The situation is so bad that Sony is suspending its dividend -- the first time it won't be making a payout since it listed in 1958.
The world's biggest chipmaker ended 2014 on solid footing thanks in part to its reinvigorated PC business. However, Intel's mobile division remains a huge drag.
The company generated a loss during the three months that ended in June -- a contrast to the small profit a year earlier.
Following a profitable first quarter, the strain of multiple product launches weighs on the e-commerce giant.
A fourth-quarter jump in the customer turnover rate underscores the increasingly volatile environment for wireless carriers that even Verizon can no longer avoid.