Best Momentum Stock to Buy for August 21st

By Zacks Equity Research | August 21, 2025, 10:00 AM

Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, August 21st:

OptimizeRx OPRX: This company which provides consumer and physician platforms to help patients better afford and comply with their medicines and healthcare products, has a Zacks Rank #1 (Strong Buy), and witnessed the Zacks Consensus Estimate for its current year earnings increasing 26.4% over the last 60 days.

OptimizeRx Corp. Price and Consensus

OptimizeRx Corp. Price and Consensus

OptimizeRx Corp. price-consensus-chart | OptimizeRx Corp. Quote

OptimizeRx's shares gained 33.4% over the last three month compared with the S&P 500’s gain of 9.5%. The company possesses a Momentum Score of A.

OptimizeRx Corp. Price

OptimizeRx Corp. Price

OptimizeRx Corp. price | OptimizeRx Corp. Quote

Kanzhun BZ: This company which provides an online recruitment platform principally in China, has a Zacks Rank #1, and witnessed the Zacks Consensus Estimate for its current year earnings increasing 1.9% over the last 60 days.

KANZHUN LIMITED Sponsored ADR Price and Consensus

KANZHUN LIMITED Sponsored ADR Price and Consensus

KANZHUN LIMITED Sponsored ADR price-consensus-chart | KANZHUN LIMITED Sponsored ADR Quote

Kanzhun’s shares gained 23.3% over the last three month compared with the S&P 500’s gain of 9.5%. The company possesses a Momentum Score of A.

KANZHUN LIMITED Sponsored ADR Price

KANZHUN LIMITED Sponsored ADR Price

KANZHUN LIMITED Sponsored ADR price | KANZHUN LIMITED Sponsored ADR Quote

Arista Networks ANET: This company which is engaged in providing cloud networking solutions for data centers and cloud computing environments, has a Zacks Rank #1, and witnessed the Zacks Consensus Estimate for its current year earnings increasing 9.8% over the last 60 days.

Arista Networks, Inc. Price and Consensus

Arista Networks, Inc. Price and Consensus

Arista Networks, Inc. price-consensus-chart | Arista Networks, Inc. Quote

Arista Networks’ shares gained 42.2% over the last three month compared with the S&P 500’s gain of 9.5%. The company possesses a Momentum Score of A.

Arista Networks, Inc. Price

Arista Networks, Inc. Price

Arista Networks, Inc. price | Arista Networks, Inc. Quote

 

See the full list of top ranked stocks here

 

Learn more about the Momentum score and how it is calculated here.

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OptimizeRx Corp. (OPRX): Free Stock Analysis Report
 
KANZHUN LIMITED Sponsored ADR (BZ): Free Stock Analysis Report
 
Arista Networks, Inc. (ANET): Free Stock Analysis Report

This article originally published on Zacks Investment Research (zacks.com).

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