Industrial gases producer Praxair Inc. said Thursday its subsidiary, Praxair China, signed a long-term supply contract with Anhui HuaYi Chemical Co., an affiliate of Shanghai HuaYi Co., one of the largest chemical groups in China supplying fine and specialty chemicals.

China-based industrial gas provider Praxair China Investment Co. said Tuesday it signed a long-term supply agreement with Guangdong Shaoguan Iron & Steel Group Co. Ltd. to build an air separation plant.

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

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 Federal Reserve cut the fed funds rate by three-quarters of a point, to 2.25 percent. CNBC asked the experts how investors should adjust their portfolios. Here's what they said.

It's a familiar refrain from strategists and fund managers, especially these days:  Think long-term.  Jensen Investment Management chairman Robert Millen and David Katz, chief investment officer of Matrix Asset Advisors, think that's the only way to go.