An economist with Deutsche Bank raised his crude price outlook Friday, prompting revisions to price targets on some of the world's largest oil companies.

Stocks are mixed today, but the Dow is down more than 2.5 percent for the week. CNBC asked the pros for advice on helping investors protect their portfolios in these uncertain market times.

"I think there's lots of good ideas in a market that's difficult," George Shipp of Scott & Stringfellow told CNBC.  He spoke at the end of a difficult week, following the release of difficult jobs data, with the economy and the market still facing difficult credit challenges.