American Express, BroadVision, Oracle Corp., Las Vegas Sands, Transocean, Infosys and Western Gas Partners are among the companies whose shares are moving in pre-market trading Tuesday.

American Express Co. (AXP) stock climbed 11.91 percent to $62.50 in pre-market trading. The stock has a 52-week low of $41.30, a 52-week high of $61.42 and $64.28 billion in market capitalization.

BroadVision Inc. (BVSN) stock surged 4.54 percent to $13.36 in pre-market trading. The enterprise portal applications specialist's stock rallied last week after Microsoft was set to spend $1.6 billion to bid for social networking applications maker Yammer.

Oracle Corp. (ORCL) stock surged 3.80 percent to $28.15 in pre-market trading. The world's second-largest software maker reported adjusted fourth quarter-net profit of $4.1 billion or $0.82 per share, up from $3.9 billion or $0.75 per share in the same period a year earlier. Revenue rose to $10.92 billion from $10.78 billion last year while analysts expected a net income of $0.78 per share on revenue of $10.89 billion.

Las Vegas Sands Corp. (LVS) stock gained 1.84 percent to $45.94 in pre-market trading. The stock has a 52-week low of $36.08, a 52-week high of $62.09 and $37.11 billion in market capitalization.

Transocean Ltd (RIG) stock advanced 1.39 percent to $44.35 in pre-market trading. Over the weekend, RBC Capital raised Transocean's fiscal 2012 earnings estimate to $3.14 per share from $3.02 per share and fiscal 2013 earnings estimates to $4.44 per share from $4.25 per share.

Infosys Ltd. (INFY) stock slumped 7.88 percent to $41.01 in pre-market trading. The company may cut guidance again due to the wild swings of global currencies, including pound sterling, Australian dollar and euro, against the U.S. dollar - the currency in which Infosys forecasts growth, Economic Times reported.

Western Gas Partners, LP (WES) stock declined 3.65 percent to $43.75 in pre-market trading. On Monday, the company announced a registered underwritten public offering of 5 million common units representing limited partner interests.

Unilever Plc (UL) stock declined 2.56 percent to $31.98 in pre-market trading. The stock has a 52-week low of $29.73, a 52-week high of $34.77 and $92.56 billion in market capitalization.