* Nasdaq, S&P 500 make a comeback after Friday's rout
* Wall Street indexes bounce after Friday's rout
* Equity markets turn risk-off on AI blip, US-Iran hostilities
* Hopes fade for Strait of Hormuz breakthrough
* Hopes fade for Strait of Hormuz breakthrough
* Hopes fade for Strait of Hormuz breakthrough
* Hopes fade for Strait of Hormuz breakthrough
* Hopes for Strait of Hormuz breakthrough fade
* Hopes for Strait of Hormuz breakthrough fade