Lithium-ion batteries are lighter, more efficient and more powerful than nickel-metal hydride batteries used in first-generation hybrids.

ENGADGET: Ford's 2013 C-Max Energi rolls out 95 MPGe, arrives later this fall

Lithium-ion batteries are lighter, more efficient and more powerful than nickel-metal-hydride batteries used in first-generation hybrids.

ENGADGET: Ford C-Max Energi pricing: $29,995 after a federal tax credit, available this fall

Although BNP Paribas looks for strength in base metals next year, it lowered its fourth quarter 2012 and first quarter 2013 price outlooks for aluminum, copper, lead, nickel, tin and zinc from previous forecasts after price weakness earlier this year.

FORBES: FOCUS: Base Metals May Rise Going Into Year's End

And Wind River Systems is flat to slightly lower after the company beat by a nickel its fourth-quarter figure, missed on revenues and guided below consensus for the first quarter.

FORBES: Magazine Article