Stocks to watch Tuesday: Pfizer, Comcast, Westlake By: MarketWatch May 03, 2011 at 06:32 AM EDT Earnings figure prominently in the roster of companies coming in for investor scrutiny. Read More >> Related Stocks: Anadarko Petroleum Archer-Daniels-Midland Avon Products CBS Corp CBS Corp Cl A Chesapeake Energy Clorox Co Comcast Corp Community Health Systems FirstEnergy Corp Hartford Finl Services Gp Las Vegas Sands Legg Mason Macy's MasterCard McKesson Corp Nasdaq OMX Group Pfizer The Hanover Insurance Group Unum Group Westlake Corp