Arena Pharmaceuticals, Toyota Motor Corp, Facebook, PhotoMedex, Research In Motion, Royal Caribbean Cruises, Tata Motors, Tesla Motors and Rio Tinto PLC are among the companies whose shares are moving in pre-market trading on Monday.

Gainers

Arena Pharmaceuticals Inc. (NASDAQ:ARNA) stock surged 7.25 percent to $9.32 in pre-market trading. The company stock has a 52-week low of $6.42, a 52-week high of $13.50 and $1.89 billion in market capitalization.

Toyota Motor Corp. (NYSE:TM) stock gained 2.55 percent to $120.05 in pre-market trading. The company stock has a 52-week low of $72.04, a 52-week high of $130.99 and $185.39 billion in market capitalization. 

Facebook Inc. (NASDAQ:FB) stock advanced 1.93 percent to $23.74 in pre-market trading. The company stock has a 52-week low of $17.55, a 52-week high of $33.45 and $56.32 billion in market capitalization.

PhotoMedex Inc. (NASDAQ:PHMD) stock rose 1.65 percent to $17.21 in pre-market trading. The company stock has a 52-week low of $9.85, a 52-week high of $17.05 and $356.33 million in market capitalization.

Research In Motion Ltd. (NASDAQ:BBRY) stock gained 1.37 percent to $14.05 in pre-market trading. The company stock has a 52-week low of $6.22, a 52-week high of $18.32 and $7.26 billion in market capitalization.

Royal Caribbean Cruises Ltd. (NYSE:RCL) stock advanced 1.24 percent to $34.41 in pre-market trading. The company stock has a 52-week low of $22.45, a 52-week high of $38.62 and $7.46 billion in market capitalization.

Losers

Tata Motors Ltd. (NYSE:TTM) stock plunged 6.62 percent to $24.69 in pre-market trading. The company stock has a 52-week low of $18.83, a 52-week high of $30.85 and $84.34 billion in market capitalization.

Tesla Motors Inc. (NASDAQ:TSLA) stock declined 1.99 percent to $100.01 in pre-market trading. The company stock surged nearly 5 percent in regular trading on Friday.

Rio Tinto PLC (NYSE:RIO) stock fell 1.89 percent to $42.53 in pre-market trading. The company stock has a 52-week low of $42.48, a 52-week high of $60.45 and $80.07 billion in market capitalization.