Apple Inc. ($AAPL) is approaching a market valuation of $4 trillion, currently trading at approximately $255 per share, which equates to a valuation of $3.86 trillion. A $10 increase in the share price would elevate the company's valuation to $4 trillion, marking a historic milestone as the first company to reach this threshold. The stock has surged 33% this year, contributing nearly $870 billion in added value and pushing the market capitalization to $3.9 trillion. Investor enthusiasm is fueled by advancements in artificial intelligence and strong iPhone sales, with the shares now trading at over 10 times sales, the highest valuation in the company's history.