Madison Square Garden's shares gained 18.8% over the last three months compared with the S&P 500's advance of 3.5%. The company possesses a Momentum Score of A. Outdoor Holding Company (POWW) : This online marketplace company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 160% over the last 60 days. Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, August 20: Outdoor Holding's shares gained 13.4% ...