Lightning round: Petrobras, Merck, Alcoa and more By: CNBC.com News November 05, 2013 at 18:37 PM EST "Mad Money" host Jim Cramer made calls on stocks viewers asked about. Read More >> Related Stocks: Alcoa ConocoPhillips EOG Resources Merck & Co Petrobras - Petroleo Brasileiro S.A. Rambus Inc United Rentals