Amazon (AMZN.O) is in talks to sell its custom AI chips to other companies' data centers, a key expansion in its drive to challenge NVIDIA's (NVDA.O) market dominance.

NewsNation reporter said US-Iran officials have not explained how the electronic memorandum signed Wednesday evening differs from the one signed last Sunday.

Pakistan Prime Minister Shehbaz Sharif and Iran President PEZESHKIAN held their first phone call since the signing of the Islamabad memorandum between the United States and the Islamic Republic of Iran, the two sides said. Sharif congratulated the memorandum, saying it would help restore regional peace, support Iran’s reconstruction and deepen Pakistan-Iran cooperation; he also conveyed greetings to Supreme Leader Mojtaba Khamenei. PEZESHKIAN thanked Sharif and army chief Munir for their mediation role in securing the agreement and said Iran is willing to expand bilateral ties. Both agreed to make reciprocal capital visits soon to advance cooperation on bilateral and regional affairs.