The Nasdaq Composite rose 0.45% on Tuesday, bringing its year-to-date gains to over 17%. The Nasdaq 100 was up 0.82%. Investors appeared unfazed by AI safety risks, high valuations in tech stocks, and potential energy shocks from a US-Iran conflict. US President Donald Trump stated on Tuesday that US officials and Iranian representatives held "very good" meetings during the UN General Assembly, adding that the two sides would hold their next round of talks "very soon." Analysts believe that signs of diplomatic progress between the US and Iran have refocused investor attention on the earnings potential of AI, particularly with market excitement generated by Meta's newly launched AI assistant, Muse.