Teva Pharmaceutical

Chinese medicine postulates the existence of qi, a circulating life force whose properties must be balanced for optimal health. Take a page from eastern philosophy and consider investing in these pairings of complementary stocks to strengthen your portfolio.

News that could affect stock prices today: Pfizer and India's Strides Arcolab reached an agreement that will expand the off-patent generic drugs in the U.S. drug maker's portfolio; Kraft's hostile takeover bid for Cadbury received conditional antitrust approval by the European Union.