Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, September 19th: Pampa Energia (PAM) This largest fully integrated electricity company in Argentina which is engaged in the generation, transmission and distribution of electricity, has a Zacks Rank #1(Strong Buy), and witnessed the Zacks Consensus Estimate for its current year earnings increasing 20.8% over the last 60 days. Pampa Energia's shares gained 30.4% over the last three month compared with the ...