The enthusiasm for energy stocks spilled over into a niche oilfield services company: Amsterdam-based Core Laboratories NV, which provides drillers with production development and reservoir management products and services.

FORBES: Magazine Article

In trading on Wednesday, shares of Core Laboratories N.

FORBES: Core Laboratories N.V. Shares Cross Below 200 DMA

In trading on Thursday, shares of Core Laboratories N.

FORBES: Core Laboratories N.V. (CLB) Shares Cross Above 200 DMA

In trading on Tuesday, shares of Core Laboratories N.

FORBES: Core Laboratories N.V. Shares Enter Oversold Territory

In trading on Monday, shares of Core Laboratories N.

FORBES: Shares of CLB Now Oversold

In the case of Core Laboratories N.

FORBES: Shares of CLB Now Oversold

The Detroit News and Detroit Free Press both reported Friday that GM is moving the engineers -- who have been working on the fuel-cell technology in the company's advanced development laboratories division -- to the company's core production engineering division, which designs vehicles to be brought into production.

CNN: GM takes step toward fuel-cell car