But even the strongest incumbent is vulnerable to competition.
Yet digital technology could make Mr Johnson vulnerable to competition.
Lower-value manufacturing is more vulnerable to competition from lower-wage economies.
But Chase looks vulnerable to competition, according to an analysis of data gathered by SNL.
They understand that oil is a finite resource, vulnerable to competition from new energy sources.
Palm's infrequent improvements have made it vulnerable to competition from Microsoft's Pocket PC, analysts said.
American workers would then be more vulnerable to competition from illegal labor, not less.
The reliance on exports like clothing, furniture, and footwear, vulnerable to competition from developing countries.
If it tries to, the poor focus will leave the company vulnerable to competition.
Labour-intensive activities are especially vulnerable to competition from lower-cost central Europe or Asia.The message is getting through.
On Tuesday, Mr. Einhorn outlined the bearish case for the company, arguing that Chipotle's business was vulnerable to competition.
