Best Momentum Stocks to Buy for May 21st

Core Insights - Three stocks are highlighted with strong momentum characteristics and a buy rank, including Onto Innovation Inc., Southern Copper Corporation, and Owens Corning [1][2][3] Company Summaries - Onto Innovation Inc. (ONTO): - Zacks Rank 1 - Current year earnings estimate increased by 6.6% over the last 60 days - Shares gained 27.8% over the last three months, outperforming the S&P 500's 4.8% increase - Momentum Score of A [1] - Southern Copper Corporation (SCCO): - Zacks Rank 1 - Current year earnings estimate increased by 14.7% over the last 60 days - Shares gained 57.1% over the last three months, significantly outperforming the S&P 500's 4.8% increase - Momentum Score of A [2] - Owens Corning (OC): - Zacks Rank 1 - Current year earnings estimate increased by 10.5% over the last 60 days - Shares gained 22.3% over the last three months, also outperforming the S&P 500's 4.8% increase - Momentum Score of B [3]