BRIEF-Stone Energy Corp says CEO David Welch to retire
* David Welch to retire, Jim Trimble elected interim chief executive officer and president of stone energy corporation
Jan 11 Volt Information Sciences Inc
* Volt Information Sciences reports fiscal 2016 fourth quarter and full year financial results
* Q4 revenue $341.6 million
* Volt Information Sciences Inc - Qtrly earnings per share $0.13 Source text for Eikon: Further company coverage:
BEIJING, April 28 As the United Nations Security Council decides whether to tighten the sanctions screws on North Korea, the country's increasingly isolated government could lose a lifeline provided by state-owned China National Petroleum Corp (CNPC).