5 Growth Stocks to Buy in February to Enhance Your Portfolio Returns

Market Overview - U.S. stock markets have started 2026 positively, with all three major stock indexes trading in positive territory, supported by strong domestic economic fundamentals, solid fourth-quarter 2025 earnings, accommodative Fed policies, and resolution of trade issues [1] Investment Recommendations - Investing in growth stocks is recommended for February, focusing on stocks with aggressive earnings or revenue growth to enhance portfolio performance [2] Growth Stock Picks - Five recommended growth stocks include Micron Technology Inc. (MU), MongoDB Inc. (MDB), Amphenol Corp. (APH), Ciena Corp. (CIEN), and Seagate Technology Holdings plc (STX), all with a Zacks Rank 1 (Strong Buy) and a Growth Score of A [3] Micron Technology Inc. (MU) - Micron is a leader in AI infrastructure, driven by strong demand for high-bandwidth memory (HBM) solutions, with record sales in the data center market and increasing HBM adoption boosting DRAM revenues [6][10] - The growing adoption of AI servers is reshaping the DRAM market, increasing demand for high-capacity DIMMs and low-power server DRAM, with Micron capitalizing on this trend through a strong product roadmap, including HBM4 set for production in 2026 [7] - Micron's diversification strategy has stabilized its revenue base by shifting focus from volatile consumer electronics to more resilient sectors like automotive and enterprise IT [8] - Expected revenue and earnings growth rates for Micron are 96.1% and over 100%, respectively, for the current year ending August 2026, with a recent earnings estimate improvement of 0.1% [10] MongoDB Inc. (MDB) - MongoDB has expanded its Atlas platform beyond database management into analytics, targeting agile development and modern workloads to leverage the generative AI trend [11] - The company has seen continued platform adoption across enterprises and startups, with a focus on larger enterprises enhancing deal sizes and sales efficiency [12] - Recent product initiatives include new AI embedding models and integrations with tools like GitHub Copilot, strengthening its position in AI-driven applications [13] - Expected revenue and earnings growth rates for MongoDB are 17.8% and 17.2%, respectively, for the current year ending January 2027, with a recent earnings estimate improvement of 0.2% [14] Amphenol Corp. (APH) - Amphenol benefits from a diversified business model, with a strong portfolio in high-technology interconnect products, commanding an estimated 33% market share in AI-powered data center interconnects [15] - Increased spending on defense technologies and strong demand across Commercial Air, Industrial, and IT Datacom sectors support top-line growth [16] - Rising AI workloads and cloud infrastructure upgrades are driving demand for high-speed interconnects, with steady growth expected in the Interconnect and Sensor Systems segment [17] - Expected revenue and earnings growth rates for Amphenol are 34.9% and 29.3%, respectively, for the current year, with a recent earnings estimate improvement of 6.4% [18] Ciena Corp. (CIEN) - Ciena's fiscal fourth-quarter showed a 20% year-over-year revenue increase and 69.5% EPS growth, driven by AI-led demand from cloud and service provider customers [19] - Networking Platforms revenues rose 22% to $1.05 billion, with strong growth in Optical and Routing and Switching segments [20] - Ciena has raised its fiscal 2026 revenue outlook to $5.7-$6.1 billion, reflecting nearly 24% growth at the midpoint, driven by demand from cloud and AI infrastructure [21] - Expected revenue and earnings growth rates for Ciena are 24.1% and over 100%, respectively, for the current year ending October 2026, with a recent earnings estimate improvement of 20.2% [23] Seagate Technology Holdings plc (STX) - Seagate is experiencing strong execution amid rising cloud and AI demand, with a focus on balancing performance and cost efficiency in modern data centers [24] - High-capacity nearline production is booked through 2026, with long-term contracts providing strong demand visibility through 2027 [25] - Seagate's aerial density roadmap offers a competitive advantage in hard drives, aligning with the growing demand for AI-driven data storage solutions [26] - Expected revenue and earnings growth rates for Seagate are 24.6% and 55.9%, respectively, for the current year ending June 2026, with a recent earnings estimate improvement of 11.8% [28]