AI is helping this tech giant clock a faster growth rate than the lucrative industry it operates in.There are now four companies in the world that are worth more than $3 trillion (Alphabet joined this list this week), and the fast-growing adoption of artificial intelligence (AI) technology has played a key role in helping all four exceed this benchmark.Nvidia, the world's largest company, dominates the AI chip market. Meanwhile, Microsoft's tremendous revenue backlog created by the booming demand for its AI ...