The companies whose shares are moving in pre-market trade Tuesday are Popular Inc, North American Energy Partners Inc, United States Steel Corp., Freeport-McMoRan Copper & Gold Inc, Pfizer Inc, Banco Santander S.A. and Facebook Inc.

Popular Inc. (BPOP) stock climbed 48.78 percent to $2.44 in pre-market session. The stock has a 52-week low of $1.08, a 52-week high of $2.92 and $1.68 billion in market capitalization.

North American Energy Partners Inc. (NOA) stock rose 3.98 percent to $2.61 in pre-market session. The company announced the appointment of Martin Ferron as president and chief executive officer.

United States Steel Corp. (X) stock rose 1.83 percent to $22.20 in pre-market session. The stock has a 52-week low of $18.85, a 52-week high of $47.33 and $3.14 billion in market capitalization.

Freeport-McMoRan Copper & Gold Inc. (FCX) stock climbed 1.82 percent to $33 in pre-market session. The company, which has a market capitalization of $30.76 billion, has a 52-week low of $28.85, a 52-week high of $56.78.

Pfizer Inc (PFE) stock climbed 1.22 percent to $22.40 in pre-market session. The company, which has a market capitalization of $165.71 billion, has a 52-week low of $16.63 and a 52-week high of $23.30.

Banco Santander S.A. (STD) stock slumped 5.12 percent to $5.37 in pre-market session. The developing situation in the Spanish banking sector after Bankia, the country's fourth-largest bank, asked for 19 billion euro ($23.8 billion) capital injection is affecting the market sentiments.

Facebook Inc (FB) stock fell 2.85 percent to $31 in pre-market session. The stock of the company continued to fall after its highly anticipated debut in the market earlier this month. Currently, it is having a market capitalization of $68.23 billion much below the value of $104 billion when it went for the initial public offering.