Prana Biotechnology Ltd, Dryships Inc., Sanofi SA, Tata Motors, Amarin Corp, American International Group, ArcelorMittal and Delhaize Group are among the companies whose shares are moving in pre-market trading Tuesday.

Prana Biotechnology Ltd. (PRAN) stock rallied 13.26 percent to $2.05 in pre-market trading. The stock has a 52-week low of $1.40, a 52-week high of $2.31 and $53.93 million in market capitalization.

Dryships Inc. (DRYS) stock gained 2.54 percent to $2.42 in pre-market trading. The stock has a 52-week low of $1.75, a 52-week high of $3.84 and $1.00 billion in market capitalization.

Sanofi SA (SNY) stock gained 2.16 percent to $42.60 in pre-market trading. The company stock was upgraded to "buy" rating from a "neutral" rating at Bank of America.

Tata Motors Ltd. (TTM) stock advanced 1.95 percent to $22.50 in pre-market trading. The company announced Tuesday that it had set up a wholly owned Jakarta-based subsidiary, PT Tata Motors Indonesia, and would start selling passenger and commercial vehicles next year, the Wall Street Journal reported.

Amarin Corp Plc (AMRN) stock plunged 4.65 percent to $13.74 in pre-market trading. The stock has a 52-week low of $5.99, a 52-week high of $15.96 and $2.14 billion in market capitalization.

American International Group Inc. (AIG) stock declined 1.41 percent to $32.83 in pre-market trading. The company announced Monday that the U.S. Department of the Treasury had priced an offering of approximately 553.8 million shares of its AIG common stock at the initial public offering price of $32.50 per share.

ArcelorMittal (MT) stock declined 1.08 percent to $15.60 in pre-market trading. The stock has a 52-week low of $13.28, a 52-week high of $23.62 and $24.43 billion in market capitalization.

Delhaize Group (DEG) stock declined nearly 1 percent to $41.33 in pre-market trading. The company announced Tuesday that Marcus Spurrell has joined as Senior Vice President Digital, a newly created role. Spurrell will direct all of Delhaize Group's digital initiatives and ventures, including the implementation of its global digital strategy.

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