Are These 3 Top-Performing Tech Stocks in the Nasdaq-100, Up 33% to 64% in 2025, Still a Buy Now?

Group 1: Palantir Technologies - Palantir Technologies has seen a remarkable stock increase of 64% year-to-date and over 1,800% since 2023, driven by its focus on artificial intelligence (AI) [4][5] - The company specializes in custom software that utilizes AI for data analysis, helping organizations identify trends and optimize processes [5] - Following the launch of its AIP platform in mid-2023, Palantir has entered a new growth phase, with significant market opportunities ahead [6] - Despite strong business performance, Palantir's stock is considered overvalued, trading at an enterprise value of nearly $280 billion against$3.1 billion in trailing-12-month revenue [7][8] Group 2: MercadoLibre - MercadoLibre has experienced a 54% stock increase in 2025, with potential for further growth due to its strong position in Latin America [9] - The company operates in e-commerce, fintech, and logistics, leveraging these sectors to enhance its competitive advantage [9] - With minimal exposure to the U.S. market, MercadoLibre is less affected by tariffs, allowing it to thrive in the region's challenging economic environment [10] - The company reported $5.9 billion in revenue for Q1 2025, a 37$494 million [13] - Despite a P/E ratio of 63, which may seem high, this valuation is consistent with growth rates seen in similar companies like Amazon [14] Group 3: Netflix - Netflix's stock has risen 33% year-to-date, recovering from a 19% drop earlier in the year, and is currently trading at nearly $1,200 per share [15] - The company's profit margin reached 23% in its most recent quarter, the highest in its history, nearly double that of two years ago [16] - Netflix's large global audience of over 700 million, with more than 450 million outside the U.S., enhances its attractiveness to advertisers [17] - The company has raised prices for its service, reflecting confidence in subscriber retention due to an expanded content offering [18] - Overall, Netflix's strong fundamentals and stock performance position it as a compelling investment opportunity within the Nasdaq-100 [19]