Apple stock is up today primarily due to several positive catalysts influencing investor sentiment. These include analyst upgrades maintaining a Buy rating ahead of Apple’s expected September product launch, strategic partnerships like the chip-supply pact with TSMC to guard against tariffs, exploration of Google’s Gemini AI to enhance Siri, and expansion plans in its Music service. Additionally, the stock has benefited from a broader positive market reaction to Apple's ongoing $100 billion investment commitment in the United States, easing tariff-related concerns and boosting investor confidence about the company's future growth prospects. Despite some regulatory and legal challenges in the UK, overall positivity from these developments outweighed the negatives, leading to the stock's rise today.

In summary:

• Analyst upgrades and positive earnings expectations.
• Strategic supply chain agreements to mitigate tariffs.
• Expansion and technological advancement in AI and services.
• Continued strong commitment to U.S. investments.
• Regulatory hurdles remain but have not overshadowed optimism.

Apple’s stock price closed at $232.56 today, up about 0.9% or $2.07, reflecting this mixed but overall optimistic sentiment among investors.