Neither of the two contenders for president understands the economy and they are likely to cause more problems than they would solve, investor Jim Rogers, CEO of Jim Rogers holdings, told "Squawk Box Europe" on Friday.

The head of the European Central Bank should be running the Federal Reserve because he is doing a better job at protecting his economy, investor Jim Rogers, CEO of Rogers Holdings, told "Squawk Box Europe" on Friday.

The surging popularity of alternative energy helped Denmark’s wind-turbine maker Vestas to post a 27 percent rise in first-half profits, and CEO Ditlev Engel told CNBC Europe he remains confident that looming energy shortages will make the wind industry more attractive to investors over the long term.

Shifting focus to fast-growing Eastern Europe and shedding jobs in the mature Western European markets will ensure that the continent's second-largest bank meets its ambitious growth targets, UniCredit CEO Alessandro Profumo told "Squawk Box Europe" on Wednesday.

The token gesture of Saudi Arabia committing to raise oil production meant nothing to the futures market and crude prices will just continue to climb, an energy analyst told CNBC Europe Monday.