The companies whose shares are moving in pre-market trade on Wednesday are: Edwards Lifescience, Moodys, Electronic Arts, International Game Technology, Aetna, Wyndham Worldwide, Dow Chemical, Boeing, Corning, Quest Diagnostics, Wellpoint and Hess Corp.

Edwards Lifescience Corp. (NYSE:EW) shares climbed 6.58 percent to $78.85 in pre-market trading session. The stock has a 52 week low of $53.10 and 52 week high of $91.82 and has $8.48 billion market capitalization.

Moodys Corp. (NYSE:MCO) shares surged 5.29 percent to $39.40 in per-market trading session. The company reported second quarter net income of $189.0 million or $0.82 per share compared to $121.0 million or $0.51 per share in the same quarter a year-ago.

For the fiscal 2011, the company raised its full year guidance to range of $2.38 - $2.48 per share from its earlier estimation of $2.22 to $2.32 per share. Analysts expect the company to report earnings of $2.36 per share on revenues of $2.29 billion.

Electronic Arts Inc. (NASDAQ:ERTS) shares surged 4.16 percent to $24.80 in pre-market trading session. Its second quarter net profit surged to $221 million or $0.66 per share from $96 million or $0.29 per share in the same quarter a year-ago.

International Game Technology (NYSE:IGT) shares gained 3.37 percent to $18.70 in pre-market trading session. The company reported third quarter net income of $86.9 million or $0.29 per share compared to $92.1 million or $0.31 per share in the same quarter a year-ago.

Aetna Inc. (NYSE:AET) shares gained 3.5 percent to $44.11 in pre-market trading session. Its second quarter net profit rose to $536.7 million or $1.39 per share from $491.0 million or $1.14 per share in the same quarter a year-ago.

Wyndham Worldwide Corp. (NYSE:WYN) shares gained 2.43 percent to $35.00 in pre-market trading session. The company reported second quarter net profit of $114 million or $0.67 per share compared to $95 million or $0.51 per share in the same quarter a year-ago.

Dow Chemical Co. (NYSE:DOW) shares gained 2.23 percent to $36.65 in pre-market trading session. Its second quarter net profit rose to $982 million or $0.84 per share from $566 million or $0.50 per share in the same period a year-ago.

Boeing Co. (NYSE:BA) shares gained 2.61 percent to $71.99 in pre-market trading session. Its second quarter net profit rose 20 percent to $941 million or $1.25 per share from $787 million or $1.06 per share in the same quarter a year-ago. Revenue rose 6 percent to $16.54 billion from $15.57 billion.

Corning Inc. (NYSE:GLW) shares plunged 5.15 percent to $16.40 in pre-market trading session. Its second quarter net profit declined to $755 million or $0.47 per share from $913 million or $0.58 per share in the same quarter a year-ago.

Quest Diagnostics Inc. (NYSE:DGX) shares plunged 4.2 percent to $53.40 in pre-market trading session. The stock has a 52 week low of $43.38 and 52 week high of $61.21 and has $8.28 billion market capitalization.

Wellpoint Inc. (NYSE:WLP) shares declined 3.48 percent to $70.85 in pre-market trading session. The company reported second quarter net income of $701.6 million or $1.89 per share compared to $722.4 million or $1.71 per share in the same quarter a year-ago.

Hess Corp. (NYSE:HES) shares declined 3.35 percent to $70.64 in pre-market trading session. The company reported second quarter net income of $607 million or $1.78 per share compared to $375 million or $1.15 per share in the same quarter a year-ago, while analysts’ expected the company to report net profit of $1.94 per share.