Traders work on the floor of the New York Stock Exchange January 5, 2012.
Traders work on the floor of the New York Stock Exchange January 5, 2012. Reuters

F5 Networks Inc, Weatherford International Ltd, Vodafone Group Plc, Seadrill Ltd, Alcatel Lucent SA, Nokia Corporation, Toll Brothers Inc and Banco Santander are among the companies whose shares are moving in pre-market trading Tuesday.

F5 Networks Inc (FFIV) climbed 1.58 percent to $87.50 in pre-market trading. The stock has a 52-week low of $81.07, a 52-week high of $139.46 and $6.78 billion in market capitalization.

Weatherford International Ltd (WFT) plunged 9.19 percent to $9.88 in pre-market trading. The stock has a 52-week low of $10.59, a 52-week high of $18.33 and $8.26 billion in market capitalization.

Vodafone Group Plc (VOD) slumped 3.68 percent to $25.42 in pre-market trading. The stock has a 52-week low of $25.63, a 52-week high of $30.07 and $129.78 billion in market capitalization.

Seadrill Ltd (SDRL) dropped 2.71 percent to $38.12 in pre-market trading. The company, which has a market capitalization of $18.35 billion, has a 52-week low of $31.02 and a 52-week high of $42.34.

Alcatel Lucent SA (ALU) fell 2.65 percent to $1.10 in pre-market trading. The stock has a 52-week low of $0.91, a 52-week high of $2.66 and $2.56 billion in market capitalization.

Nokia Corporation (NOK) declined 2.21 percent to $2.65 in pre-market trading. The company, which has a market capitalization of $10.15 billion, has a 52-week low of $1.63 and a 52-week high of $6.80.

Toll Brothers Inc (TOL) fell 1.85 percent to $30.26 in pre-market trading. The company, which has a market capitalization of $5.19 billion, has a 52-week low of $18.41 and a 52-week high of $37.08.

Banco Santander (SAN) dropped 1.01 percent to $6.85 in pre-market trading. The stock has a 52-week low of $4.88, a 52-week high of $8.85 and $65.29 billion in market capitalization.