The companies that are expected to see active trade on Wednesday are: Automatic Data Processing, Boeing, Sprint Nextel, Amazon.com, Ford Motor, Lockheed Martin, FMC Technologies, Akamai Technologies, CA, ConocoPhillips, Exelon Corp and General Dynamics Corp.

Automatic Data Processing Inc. (NASDAQ: ADP) is due to report first quarter earnings before markets open on Wednesday. Analysts expect the company to report first quarter earnings per share of $0.61 compared to $0.56 in 2010.

Boeing Co. (NYSE: BA) is due to report its third quarter earnings before markets open on Wednesday. Analysts, polled by Thomson Reuters, expect the company, on average, to report a third quarter net income of $1.10 per share compared to $1.12 in 2010.

Sprint Nextel Corp. (NYSE: S) is expected to report a third quarter net loss of $ 0.22 per share compared to loss of $0.30 in the same quarter a year ago.

Amazon.com, Inc. (NASDAQ: AMZN) shares plunged 12.44 per cent to $198.89 in post-market trading sessions, after reporting weaker than expected third quarter earnings. The company reported a third quarter net profit of $63 million or $0.14 per share, down from $231 million or $0.51 per share in the same period last year and against analysts’ estimation of $0.24 per share.

Ford Motor Co. (NYSE: F) is expected to report a third quarter net profit of $ 0.45 per share, down from $0.48 in the same quarter last year.

Lockheed Martin Corp. (NYSE: LMT) is forecasted to report third quarter earnings before the opening bell. Analysts expect the company to report third quarter earnings per share of $1.81, up from $1.55 in the same quarter last year.

FMC Technologies, Inc. (NYSE: FTI) shares declined 5.16 per cent to $42.65 in aftermarket trading sessions, as its fourth quarter earnings fell short of analysts’ estimation. For the fourth quarter, the company expects earnings to be in a range of $0.46 to $0.51 per share, compared to analysts’ estimation of $0.54 per share.

Akamai Technologies Inc. (NASDAQ: AKAM) is projected to report a third quarter net profit of $ 0.33 per share after the closing bell on Wednesday.

CA Inc. (NASDAQ: CA) is forecasted to report a second quarter net income of $ 0.49 per share after markets close on Wednesday.

ConocoPhillips (NYSE: COP) is expected to report a third quarter net profit of $ 2.19 per share, up from $1.50 in the same quarter last year.

Exelon Corp. (NYSE: EXC) is projected to report a third quarter net profit of $ 1.08 per share compared to $ 1.11 in the same quarter a year ago.

General Dynamics Corp. (NYSE: GD) is expected to report a third quarter net profit of $ 1.77 per share on revenue of $8.34 billion.