The companies whose shares are moving in pre-market trade Thursday are: Millennial Media, Herbalife, Ctrip.com International, Cameco Corp, J.C. Penney, Wal-Mart Stores, Wal-Mart Stores, Limited Brands and JP Morgan Chase & Co.

Millennial Media, Inc (MM) stock surged 5.77 percent to $12.10 in pre-market session. The company stock slumped nearly 15 percent on Wednesday.

Herbalife Ltd (HLF) stock surged 4.99 percent to $51.98 in the pre-market session. The company stock climbed more than 16 percent in the previous session after short seller David Einhorn left out the Herbalife Ltd stock from his short ideas at a conference, Reuters reported.

Ctrip.com International (CTRP) stock surged 4.78 percent to $20.59 in pre-market session. The company reported first quarter net profit of $27 million on revenues of $153 million. Ctrip also named Jane Jie Sun as its new chief operating officer.

Cameco Corp (CCJ) stock surged 3.2 percent to $20.00 in pre-market session. The company stock was downgraded to “hold” rating from “buy” at The Street Ratings.

JC Penney Co, Inc (JCP) stock gained 1.94 percent to $27.27 in pre-market session. The company stock plunged nearly 20 percent on Wednesday after reporting first quarter loss. The company swung to first quarter adjusted net loss of $0.25 per share compared to net income of $0.36 per share in the same quarter last year.

Wal-Mart Stores Inc (WMT) stock advanced 2.60 percent to $60.73 in pre-market session. The company reported first quarter net income of $3.74 billion or $1.09 per share, up from $3.40 billion or $0.97 per share in the same quarter last year. Wal-Mart also expects second quarter earnings to be in a range of $1.13 to $1.18 per share compared to analysts’ estimation of $1.16 per share.

Electronic Arts Inc (EA) stock surged 4.51 percent to $15.06 in pre-market session. Electronic Arts and Electronic Arts announced that they have settled a case that accused two former executives of breaking their employment agreements to develop games for EA.

Limited Brands Inc (LTD) stock plunged 3.61 percent to $46.23 in the pre-market session as its second quarter earnings guidance fell short of expectations. The company expects second quarter net profit to be in a range of $0.40 to $0.45 per share, but analysts’ polled by Reuters expect the company to report net profit of $0.50 per share. Its first quarter net income also declined to $124.6 million or $0.41 per share from $165.2 million or $0.50 per share in the same quarter a year earlier.

JP Morgan Chase & Co (JPM) stock declined 1.58 percent to $34.90 in pre-market session. FINKELSTEIN & KRINSK LLP and MURRAY FRANK LLP announced Wednesday that a class action has commenced in the United States District Court for the Southern District of New York on behalf of purchasers of JP Morgan Chase & Co common stock during the period between April 13, 2012, and May 10, 2012.