The companies whose shares are moving in pre-market trading on Friday are: ACADIA Pharmaceuticals, Osiris Therapeutics, Morgan Stanley, Salesforce.com, Banco Santander, First Solar, JPMorgan Chase, Aruba Networks, Tata Motors and Carnival Corp.

ACADIA Pharmaceuticals Inc. (ACAD) stock climbed 66.67 percent to $2.50 in the pre-market session.

Osiris Therapeutics, Inc. (OSIR) stock climbed 15.02 percent to $6.05 in the pre-market session. The company announced that it had received market authorization from Health Canada to market its stem cell therapy Prochymal for the treatment of acute graft-vs-host disease (GvHD) in children.

Morgan Stanley (MS) stock climbed 7.58 percent to $14.48 in the pre-market session. The company stock was upgraded to a buy rating from a neutral rating at UBS.

Salesforce.com Inc. (CRM) stock surged 6.13 percent to $142.00 in the pre-market session. The company swung to a first quarter net loss of $19.5 million or $0.14 per share, mainly hurt by increased stock-based compensation and amortization costs. Adjusted net income was $0.37 per share, above analysts' estimation of $0.34 per share.

Banco Santander SA (STD) stock surged 4.50 percent to $5.81 in the pre-market session. Banking shares in Spain gained Friday despite Moody's downgrade on rumors of a ban on naked short-selling.

First Solar, Inc. (FSLR) stock gained 3.82 percent to $15.49 inthe pre-market session. The U.S. Department of Commerce recently imposed a tariff of 31 percent on Chinese-made solar cells which could benefit U.S.-based solar companies like First Solar and SunPower Corp.

JPMorgan Chase & Co. (JPM) stock gained 1.83 percent to $34.55 in pre-market session. The Law Offices of Howard G. Smith has announced that a class action lawsuit has been filed in the United States District Court for the Southern District of New York on behalf of all purchasers of the common stock of JPMorgan Chase & Co. between April 13, 2012, and May 11, 2012.

Aruba Networks, Inc. (ARUN) stock plunged 4.58 percent to $14.60 in the pre-market session. The company reported a third quarter net profit of $6.0 million or $0.05 per share, up from $3.2 million or $0.03 per share, in the same quarter a year earlier. Adjusted net profit was $0.16 per share compared to the same against analysts' estimations.

Tata Motors Ltd. (TTM) stock declined 2.16 percent to $23.60 in pre-market trading. The stock has a 52-week low of $14.33, a 52-week high of $30.63 and $76.55 billion in market capitalization.

Carnival Corp. (CCL) stock declined 1.04 percent to $31.25 in pre-market session. The stock has a 52-week low of $28.52, a 52-week high of $40.41 and $25.62 billion in market capitalization.