Traders work on the floor of the New York Stock Exchange
Traders work on the floor of the New York Stock Exchange, February 28, 2012. REUTERS

The companies whose shares are moving in pre-market trading Wednesday are: Delcath Systems Inc., Quicksilver Resources Inc., Research In Motion Limited, Nokia Corp., Telefonaktiebolaget LM Ericsson, Facebook Inc. and Western Digital Corp.

Delcath Systems Inc. (DCTH) stock rose 42.28 percent to $2.12 in pre-market trading.

Quicksilver Resources Inc. (KWK) stock climbed 8.55 percent to $4.95 in pre-market trading. The stock has a 52-week low of $3.60, a 52-week high of $15.41 and $789.84 million in market capitalization.

Research In Motion Limited (RIMM) stock fell 7.39 percent to $10.40 in pre-market trading. The company warned of a first quarter operating loss on Tuesday. Earlier, Thorsten Heins, RIM's president and CEO, said that the company's financial performance would be challenged in the next few quarters.

Nokia Corp. (NOK) stock declined 2.71 percent to $2.87 in pre-market trading. The stock has a 52-week low of $2.68, a 52-week high of $8.22 and $11.05 billion in market capitalization.

Telefonaktiebolaget LM Ericsson (ERIC) stock slumped 2.46 percent to $8.71 in pre-market trading. The stock has a 52-week low of $8.23, a 52-week high of $15.19 and $29.23 billion in market capitalization.

Facebook Inc. (FB) stock fell 2.01 percent to $28.26 in pre-market trading. The stock price continued to fall after its highly anticipated debut earlier this month. Currently, its market capitalization of $61.66 billion is far below its $104 initial public offering price.

Western Digital Corp. (WDC) stock declined 1.18 percent to $32.78 in pre-market trading. The company, which has a market capitalization of $8.63 billion, has a 52-week low of $22.64 and a 52-week high of $44.44.