In a stunning feat, Microsoft's stock market value crossed the coveted $3 trillion mark for the first time on Wednesday, solidifying its position as the world's second most valuable company, hot on the heels of tech giant Apple.

Microsoft and Apple have been engaged in a gripping battle for the top spot as the most capitalised stock on Wall Street since the beginning of the year. Earlier this month, the software giant briefly claimed the throne from the iPhone maker, only to settle back into second place.

Shares of Microsoft reached a historic high of $405.63, marking a 1.7% surge that propelled the company's market capitalization over the $3 trillion threshold. However, the closing bell saw Microsoft finishing at $402.56, just shy of the crucial $403.65 mark that would have firmly kept it above the $3 trillion milestone.

Apple's resilience

In contrast, Apple experienced a minor setback as its shares retreated by 0.35%, closing at $194.50. Despite this dip, Apple's market value stands strong at $3 trillion, maintaining its lead in the ongoing duel for supremacy.

Microsoft's ascendancy is attributed in part to its strategic investments, notably in ChatGPT maker OpenAI. The company is recognized as a frontrunner in the competitive race for market dominance in the deployment of generative artificial intelligence (AI). This places Microsoft in direct competition with tech heavyweights like Google, Amazon, Oracle, and Meta Platforms.

OpenAI's impact on Microsoft's innovations

Leveraging OpenAI's cutting-edge technology, Microsoft has introduced advanced versions of its flagship productivity software products. Additionally, the revamped Bing search engine, powered by OpenAI, is poised to pose a formidable challenge to Google's search dominance.

While Microsoft rides the wave of AI optimism, Apple faces headwinds in the form of slowing demand for its iPhones, especially in the crucial Chinese market. The company is resorting to rare discounts to boost sales amid fierce competition from local rivals such as Huawei Technologies.

Analysts covering Microsoft's stock express bullish sentiments, with a median price target of $425. This marks an increase from $415 just a month ago. The consensus among analysts is a resounding "buy." In 2023, Microsoft shares surged nearly 57%, and the momentum continues with a 7% increase this year. In comparison, Apple's stock rose by 48% last year and shows a modest 1% uptick year-to-date.