A logo of Tesla Motors on an electric car model is seen outside a showroom in New York
A logo of Tesla Motors on an electric car model is seen outside a showroom in New York June 28, 2010. REUTERS/Shannon Stapleton

Carnival PLC, Tesla Motors, BT Group, Rio Tinto, First Solar, Newcastle Investment, Clovis Oncology, Infosys and Dean Foods are among the companies whose shares are moving in pre-market trading on Wednesday.

Gainers

Carnival PLC (NYSE:CUK) stock gained 2.72 percent to $33.94 in pre-market trading. The company stock has a 52-week low of $32.06, a 52-week high of $41.80 and $25.26 billion in market capitalization.

Tesla Motors Inc. (NASDAQ:TSLA) stock advanced 2.68 percent to $97.00 in pre-market trading. The company stock plunged more than 5 percent in regular trading on Tuesday.

BT Group PLC (NYSE:BT) stock advanced 2.47 percent to $48.59 in pre-market trading. The company stock has a 52-week low of $30.92, a 52-week high of $49.15 and $37.38 billion in market capitalization.

Rio Tinto PLC (NYSE:RIO) stock gained 1.45 percent to $42.58 in pre-market trading. The company stock has a 52-week low of $41.50, a 52-week high of $60.45 and $77.53 billion in market capitalization.

Losers

First Solar Inc. (NASDAQ:FSLR) stock plunged 6.29 percent to $49.00 in pre-market trading. The company on Tuesday announced the commencement of an underwritten public offering of 8.5 million shares of its common stock.

Newcastle Investment Corp. (NYSE:NCT) stock declined 2.91 percent to $5.00 in pre-market trading. Newcastle Investment said on Tuesday that it plans to make a public offering of 30 million shares of its common stock.

Clovis Oncology Inc. (NASDAQ:CLVS) stock fell 2.02 percent to $73.32 in pre-market trading. The company announced the pricing of an underwritten public offering of 3.33 million shares of its common stock at $72.00 per share, before underwriting discounts and commissions.

Infosys Ltd. (NYSE:INFY) stock declined 1.43 percent to $42.00 in pre-market trading. The company stock has a 52-week low of $37.93, a 52-week high of $55.71 and $24.35 billion in market capitalization.

Dean Foods Co. (NYSE:DF) stock slipped 1.38 percent to $10.00 in pre-market trading. The company stock has a 52-week low of $9.58, a 52-week high of $21.06 and $1.89 billion in market capitalization.