Among the companies whose shares are expected to actively trade in Tuesday's session are MGIC Investment Corp. (MTG), Molycorp Inc. (MCP) and Rambus Inc. (RMBS).

MGIC Investment said it contributed $200 million to increase the statutory capital at its principal insurance operation. Shares slipped 4.8% to $3.55 in recent premarket trading, though Chairman and Chief Executive Curt S. Culver said the additional capital was an important step in allowing the company to write new insurance on a nationwide basis.

Molycorp reported that more than three-quarters of the Phase 1 rare-earth production at its flagship California manufacturing facility has been committed, helping the rare-earth mining company meet its allocation target for last year. Shares were up 3.5% to $24.83 in recent premarket trading.

Rambus raised its fourth-quarter revenue guidance, two weeks after reaching a five-year patent license agreement with Broadcom Corp. (BRCM) that settles all outstanding claims between the two companies. Shares recently were trading 8.5% higher at $8.19 premarket.

 
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Drug developer Aveo Pharmaceuticals Inc. (AVEO) reported its lead drug candidate demonstrated survival superiority over a currently approved therapy in a Phase 3 trial examining the efficacy of the drug for patients living with advanced renal cell carcinoma.

Another Eastman Kodak Co. (EK) director has resigned, marking the third departure in two weeks from the struggling imaging company's board.

Noah Education Holdings Ltd. (NED) said Chief Executive Jerry He resigned for personal reasons effective Sunday, after taking on the job just nine months ago.

PG&E Corp. (PCG) said its residential customers will see mostly modest increases in gas and electric rates entering the new year, to provide the California utility added revenue for buying energy and investing in new plants and equipment.

Pioneer Drilling Co. (PDC) has acquired a privately held provider of coiled tubing services for roughly $110 million in cash, a purchase the company said it expects to add to earnings this year.

Radvision Ltd. (RVSN, RVSN.TV) raised its fourth-quarter forecast, saying it expects solid sales of its video endpoints and stronger-than-expected infrastructure sales to help it post results ahead of initial expectations.

Regeneron Pharmaceuticals Inc. (REGN) said it entered a nonexclusive licensing agreement with Roche Holding AG's (RHHBY) Genentech Inc. unit in a partial settlement of a dispute related to Regeneron's Eylea, which treats a leading cause of legal blindness in the elderly.

Sears Holdings Corp. (SHLD) hired Ron Boire, the former president and chief executive of Brookstone Inc., to lead its lead merchandising and retail stores for both the Sears and Kmart brands.

Citigroup adds VF Corp. (VFC) to its Top Picks Live list while upgrading the apparel maker to buy and boosting its price target $20 to $157. "We see continued top-line growth from strong brands, secular growth opportunities" and double-digit gains in outdoor from its Timberland purchase "and the continued strength of The North Face, which will also likely gain more momentum" this year when Dick's Sporting Goods Inc. (DKS) "starts to open shop-in-shops for the brand," Citigroup says.

-Edited by Ian Thomson and Maya Pope-Chappell; write to ian.thomson@dowjones.com and maya.pope-chappell@dowjones.com

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