Stocks To Watch For October 9, 2012

Some of the stocks that may grab investor focus today are: Wall Street expects Alcoa

to post its Q3 earnings at $0.01 per share on revenue of $5.57 billion. Alcoa shares gained 0.44% to $9.16 in after-hours trading. Edwards Lifesciences

issued a weak Q3 revenue view. Edwards Lifesciences shares dipped 15.79% to $90.45 in the after-hours trading session. Analysts expect Yum! Brands

to post its Q3 earnings at $0.97 per share on revenue of $3.66 billion. Yum Brands shares rose 0.01% to $66.95 in after-hours trading. Principal Financial Group

announced its plans to acquire Chile's AFP Cuprum SA for $1.51 billion. Principal Financial shares gained 0.07% to $27.79 in after-hours trading. AngioDynamics

posted a loss of $721 million, or $0.02 per share in its fiscal first quarter. The company also announced its plans to buy Vortex Medical for $15 million. AngioDynamics shares tumbled 6.32% to $12.01 in the after-hours trading session.