Royal Dutch Shell

While disgruntled investors have wiped more than $40 billion off the value of Exxon Mobil since its splurge on the gas giant XTO Energy, it would be wrongheaded to assume that XTO has zero value, Breakingviews says.

While disgruntled investors have wiped more than $40 billion off the value of Exxon Mobil since its splurge on the gas giant XTO Energy, it would be wrongheaded to assume that XTO has zero value, Breakingviews says.

The Noble Corporation said Monday it will buy Frontier Drilling for $2.16 billion in cash and struck $4 billion worth of new contracts with Royal Dutch Shell, The Associated Press reports.

The Noble Corporation said on Monday it would buy Frontier Drilling for $2.16 billion in cash and struck $4 billion worth of new contracts with Royal Dutch Shell, The Associated Press reported.