By anyone's reckoning, it was a rough week.  Crude oil continued its relentless climb; banks and brokerages gave hints of more discouraging news; government data pointed to a weak economy; even strong companies like Nike, Oracle, and Research In Motion issued cautious guidance; and Federal Reserve policymakers, widely perceived as powerless to help, left interest rates unchanged.  But all week, even through the worst of the market's sell-offs, CNBC guests offered

To help investors through this volatile market environment, CNBC asked the experts for their best trades now.

Most business news this week took a back seat to oil's relentless climb, but there were still some notable moments. And CNBC guests had plenty of stocks to recommend for worried investors.

The old adage advises investors to "sell in may and go away," but CNBC asked the experts for stock picks that might that might make investors stay in the game this month.

Two market players advise investors to think long-term, and recall that previous downturns were followed by even more powerful upturns.