Herbalife Ltd, Nokia Corporation, National-Oilwell Varco Inc, Knight Capital Group Inc, Ellington Financial LLC, ArcelorMittal and MCG Capital Corporation are among the companies whose shares are moving in pre-market trading Wednesday.

Herbalife Ltd (HLF) stock advanced 11.75 percent to $58.03 in pre-market trading. The company, which has a market capitalization of $5.81 billion, has a 52-week low of $42.15 and a 52-week high of $73.

Nokia Corporation (NOK) stock climbed 3.21 percent to $2.57 in pre-market trading. The stock has a 52-week low of $1.63, a 52-week high of $7.38 and $9.32 billion in market capitalization.

National-Oilwell Varco Inc (NOV) stock rose 2.12 percent to $77.88 in pre-market trading. The stock has a 52-week low of $47.97, a 52-week high of $87.72 and $32.52 billion in market capitalization.

Knight Capital Group Inc (KCG) stock slumped 6.35 percent to $2.80 in pre-market trading. After trading losses at the beginning of the month, the company has been driven to the brink of bankruptcy.

Ellington Financial LLC (EFC) stock fell 3.38 percent to $22.60 in pre-market trading. The company, which has a market capitalization of $384.97 million, has a 52-week low of $15.76 and a 52-week high of $24.01.

ArcelorMittal (MT) stock dropped 1.28 percent to $15.40 in pre-market trading. The company, which has a market capitalization of $24.17 billion, has a 52-week low of $13.28 and a 52-week high of $23.80.

MCG Capital Corporation (MCGC) stock fell 1.28 percent to $4.62 in pre-market trading. The stock has a 52-week low of $3.40, a 52-week high of $5.07 and $345.90 million in market capitalization.