Nvidia (NVDA -1.62%) has been a top performer in the stock market, rising almost 150% in the first half of the year. The company's dominance in the AI chip market with an 80% share has driven its success, leading to triple-digit earnings growth. Nvidia's recent record-breaking data center revenue and profitability showcase its strong position in the industry. The upcoming launch of its Blackwell architecture and high-performing chip is anticipated to be a game-changer, with demand already exceeding supply. The architecture promises significant advancements in speed and costs, making it a crucial step forward for Nvidia and its customers. Despite concerns about losing momentum, the launch of Blackwell could act as a positive catalyst for Nvidia stock performance in the coming months. With analysts forecasting strong earnings growth, Nvidia is positioned to benefit from AI growth in the long term.