Stocks to Watch: Stocks to Watch Wednesday: Amazon

CHICAGO (MarketWatch) � Amazon.com Inc., Broadcom Corp., Marathon Petroleum Corp., Enterprise Products Partners L.P. and Aetna Inc. are among the stocks that could see active trading on Wednesday.

After the market closed on Tuesday, Amazon.com AMZN �reported net income of 38 cents a share, on revenue of $17.4 billion. Analysts were expecting earnings of just 17 cents a share on revenue of $18.3 billion, according to consensus estimates from FactSet Research. The shares fell 8.2% in after-hours trading on the revenue miss.

Shares of Broadcom Corp. BRCM �advanced 3% in after-hours trading on Tuesday, after the communications chip maker posted results and an outlook that exceeded Wall Street estimates.

Automakers will announce U.S. sales figures for January Wednesday morning, including General Motors Corp. GM �; Ford Motor Co. F �; Chrysler DE:DAI �; Volkswagen AG DE:VOW �; Honda Motor Co. HMC �JP:7267 �; Toyota Motor Corp. TM �JP:7203 �; Hyundai Motor Co. KR:005380 �; Nissan Motor Co. NSANY ��JP:7201 �; and Audi AG DE:NSU �.

Marathon Petroleum Corp. MPC �is expected to report a fourth-quarter loss of 6 cents a share, on revenue of $14.20 billion, according to FactSet Research�s poll of analysts.

Energy services provider Enterprise Products Partners L.P. EPD �is expected to report fourth-quarter earnings of 55 cents a share on $10.83 billion in revenue.

Insurance giant Aetna Inc. AET �is seen posting fourth-quarter earnings of 96 cents a share on revenue of $8.43 billion.

Staffing services provider Manpower Group MAN �is expected to report fourth-quarter earnings of 87 cents a share on revenue of $5.5 billion.

Appliance maker Whirlpool Corp. WHR �is expected to report fourth-quarter earnings of $2.22 a share on sales of $4.98 billion, according to a poll of analysts by FactSet Research.

Marathon Oil Corp. MRO �is expected to report a fourth-quarter profit of 82 cents a share on revenue of $2.97 billion.

Candy maker Hershey Co. HSY �is expected to report fourth-quarter earnings of 70 cents a share on revenue of $1.55 billion.

Barry Diller�s diversified online services provider IAC/Interactive Corp. IACI �is expected to post a fourth-quarter profit of 26 cents a share on revenue of $566 million.

AOL Inc. AOL � is seen posting a fourth-quarter profit of 28 cents a share on revenue of $572.2 million.

BE Aerospace Inc. BEAV �is expected to report a fourth-quarter profit of 56 cents a share on revenue of $656 million.

Nasdaq OMX Group Inc. NDAQ �is expected to report a fourth-quarter profit of 62 cents a share on revenue of $415.3 million.

Northrop Grumman Corp. NOC �is expected to report fourth-quarter earnings of $1.67 a share on sales of $6.68 billion.

Sensata Technologies Holding N.V. ST �is seen posting a fourth-quarter profit of 44 cents a share on sales of $447 million.

Thermo Fisher Scientific Inc. TMO �is expected to report fourth-quarter earnings of $1.16 a share on revenue of $3.07 billion.

Tupperware Brands Corp. TUP �is expected to report fourth-quarter earnings of $1.53 a share on sales of $689.9 million.

W.R. Grace & Co. GRA �is expected to report fourth-quarter earnings of 87 cents a share.