Wall Street stocks retreated Monday with early gains fading as the escalating US-Iran conflict lifted oil prices while markets awaited key earnings reports. Fresh fighting came after a weekend in which the US announced three new US military fatalities and one service member missing in action. Advertisement AdvertisementAdvertisement AdvertisementOil priced pushed higher, with Brent oil futures finishing up 1.3 percent at $89.22 per barrel after earlier breaching $90 a gallon. After last week's losses, semiconductor stocks advanced, but O'Hare said investors remained hesitant about whether tech company earnings will live up to outsized expectations due to artificial intelligence. On Monday, markets weighed aggressive rhetoric out of Tehran and Washington against more conciliatory statements that at times moderated the oil market.