InterContinental Hotels Group, Banco Santander, ASML Holding, Pluristem Therapeutics, Elan Corp, ICICI Bank, Health Care REIT, Pfizer Inc and Hewlett-Packard Co. are among the companies whose shares are moving in pre-market trading Tuesday.

InterContinental Hotels Group Plc. (IHG) stock climbed 7.52 percent to $27.16 in pre-market trading. Its second quarter pre-tax profit surged to $178 million from $111 million in the same period last year. Revenue rose to $469 million compared to $454 million in the same period a year ago.

Banco Santander S.A. (SAN) stock rose 2.69 percent to $6.48 in pre-market trading. The stock has a 52-week low of $4.88, a 52-week high of $9.64 and $59.54 billion in market capitalization.

ASML Holding N.V. (ASML) stock gained 2.67 percent to $57.68 in pre-market trading. The stock has a 52-week low of $30.65, a 52-week high of $59.20 and $23.24 billion in market capitalization.

Pluristem Therapeutics Inc. (PSTI) stock advanced 2.63 percent to $3.90 in pre-market trading. The company announced Tuesday that it had received approval from the Paul-Ehrlich-Institute (PEI), a medical regulatory body in Germany, to commence a Phase I/II randomized, double blind, placebo controlled study to assess the safety and efficacy of its PLX cells, through intramuscular injections, for the regeneration of injured gluteal musculature following total hip replacement.

Elan Corp, Plc (ELN) stock tumbled 9.78 percent to $10.15 in pre-market trading. The company announced that Johnson & Johnson had issued a press release regarding the discontinuation of Phase 3 development of bapineuzumab IV in mild to moderate Alzheimer's disease, after a second clinical trial failed. Elan acquired a 49.9 percent stake in Janssen AI in September 2009. Janssen AI partners with Pfizer on all operational aspects of the immunotherapeutic platform including bapineuzumab. The company will record a non-cash impairment charge of $117.3 million on its equity method investment in Janssen AI in the third quarter of 2012.

ICICI Bank Ltd. (IBN) stock plunged 5.49 percent to $33.05 in pre-market trading. The stock has a 52-week low of $24.14, a 52-week high of $43.47 and $20.16 billion in market capitalization.

Health Care REIT, Inc. (HCN) stock fell 2.15 percent to $59.30 in pre-market trading. HCN announced Monday that it intended to offer, subject to market and other conditions, 11,000,000 shares of its common stock.

Pfizer Inc. (PFE) stock declined 1.90 percent to $23.80 in pre-market trading. The company announced Monday that it would discontinue further studies of one of the most anticipated experimental drugs for Alzheimer's disease after a second clinical trial failed.

Hewlett-Packard Co. (HPQ) stock fell 1.07 percent to $18.49 in pre-market trading. The stock has a 52-week low of $17.41, a 52-week high of $34.00 and $36.85 billion in market capitalization.