The companies whose shares are moving in pre-market trade on Thursday are: Kraft Foods, CIGNA, Teradata, NYSE Euronext, Davita, Tiffany, Alpha Natural Resources, Northrop Grumman, Carnival, Freeport-McMoRan Copper & Gold and United States Steel Corp.

Kraft Foods Inc. (NYSE:KFT) shares climbed 7.73 percent to $36.95 in pre-market trading session. The company reported second quarter net income of $976 million or $0.55 per share from $937 million or $0.53 per share in the same quarter last year.

CIGNA Corp. (NYSE:CI) shares surged 5.13 percent to $48.94 in pre-market trading session. The company reported second quarter net income of $408 million or $1.50 per share from $294 million or $1.06 per share in the same quarter last year.

Teradata Corp. (NYSE:TDC) shares gained 3.97 percent to $2.16 in pre-market trading session. Its second quarter net income rose to $103 million or $0.60 per share from $74 million or $0.44 per share in the same quarter last year.

For the fiscal 2011, the company currently expects GAAP earnings to be in the range of $1.91 to $1.99 per share compared to its earlier estimation of $1.76 to $1.86 per share.

NYSE Euronext (NYSE:NYX) shares gained 4.03 percent to $32.50 in pre-market trading session. The stock has a 52 week low of $26.92 and 52 week high of $41.60 and has $8.18 billion market capitalization.

Davita Inc. (NYSE:DVA) shares gained 3.28 percent to $81.00 in pre-market trading session. The company reported second quarter net profit of $100.0 million or $1.03 per share compared to $107.9 million or $1.04 per share in the same quarter last year.

Tiffany & Co. (NYSE:TIF) shares advanced 2.34 percent to $74.78 in pre-market trading session. The stock has a 52 week low of $39.43 and 52 week high of $84.49 and has $9.33 billion market capitalization.

Alpha Natural Resources Inc. (NYSE:ANR) shares plunged 5.21 percent to $37.99 in pre-market trading session. The company swung to second quarter net loss of $56.4 million or $0.36 per share compared to net profit of $38.8 million or $0.32 per share in the same quarter last year.

Northrop Grumman Corp. (NYSE:NOC) shares plunged 4.36 percent to $54.62 in pre-market trading session.

Carnival plc. (NYSE:CUK) shares declined 3.96 percent to $31.75 in pre-market trading session. The company ordered new ships for its Costa cruises and AIDA cruises brands.

Freeport-McMoRan Copper & Gold Inc. (NYSE:FCX) shares declined 3.36 percent to $49.00 in pre-market trading session.

 United States Steel Corp. (NYSE:X) shares declined 1.64 percent to $36.69 in pre-market trading session.