The companies whose shares are moving in pre-market trade Friday are: DigitalGlobe Inc, Linkedin Corporation, Veolia Environnement, Deutsche Bank, The Dow Chemical Company, Northstar Realty Finance Corp and Seadrill Ltd American International Group Inc.

DigitalGlobe Inc (DGI) stock climbed 18.42 percent to $16.01 in pre-market trade. GeoEye Inc said Friday that it was considering a proposal for acquiring DigitalGlobe.

Linkedin Corporation (LNKD) stock surged 9.83 percent to $120.16 in pre-market session. Its first quarter revenue climbed to $188.5 million from $93.9 million last year. It has announced the acquisition of SlideShare, a professional content sharing community, for $118.8 million.

Veolia Environnement (VE) stock gained 2.77 percent to $14.11 in pre-market session. Its first quarter revenue rose to 7.83 billion euros from 7.48 billion euros in the same quarter last year.

Deutsche Bank (DB) stock gained 1.45 percent to $41.25 in pre-market trade. The stock has a 52-week low of $28.57, a 52-week high of $65 and $37.50 billion in market capitalization.

The Dow Chemical Company (DOW) stock gained 1.03 percent to $33.20 in pre-market session. The stock has a 52-week low of $20.61, a 52-week high of $41.05 and $39.27 billion in market capitalization.

Northstar Realty Finance Corp (NRF) stock declined 5.39 percent to $5.62 in pre-market session. The company announced Thursday that it had started an underwritten public offering of 20,000,000 shares of common stock.

Seadrill Ltd (SDRL) stock declined 1.80 percent to $38.29 in pre-market trading. The company is reported to have received a Letter of Award for a five-year contract for a tender by Chevron Thailand Exploration and Production Ltd.

American International Group Inc (AIG) stock declined 1.29 percent to $33.70 in pre-market session. The company's first quarter net income rose to $3.2 billion or $1.71 per share, up from $485 million or $0.31 per share last year.