Key HighlightsNasdaq 100 futures declined 0.9% while S&P 500 futures retreated 0.4% during Tuesday’s premarket sessionReports indicate OpenAI has underperformed on revenue and user growth projections prior to its planned public offering, impacting partner companies including OracleDiplomatic efforts between Washington and Tehran show no progress as the Strait of Hormuz blockade continues, driving crude prices upwardFederal Reserve policymakers convene for a two-day session starting Tuesday, with no rate adjustment anticipated WednesdayMajor technology giants Alphabet, Amazon, Meta, and Microsoft scheduled to release quarterly results WednesdayAmerican equity futures displayed mixed performance Tuesday morning as worries surrounding OpenAI’s business trajectory put pressure on technology shares while international conflicts maintained investor wariness.Futures tied to the Nasdaq 100 tumbled 0.9%, while those tracking the S&P 500 declined 0.4%, reversing momentum after both benchmarks achieved all-time closing peaks Monday. Contracts linked to the Dow Jones Industrial Average moved against the grain, advancing 0.3%, benefiting from reduced technology sector concentration.E-Mini S&P 500 Jun 26 (ES=F)Technology stocks faced selling pressure following revelations in a Wall Street Journal article indicating OpenAI has failed to meet internal benchmarks for both revenue generation and user acquisition as it prepares for its anticipated initial public offering. Oracle experienced significant premarket losses as a consequence.Market participants are directing attention toward the “Magnificent Seven” technology behemoths as the quarterly reporting period intensifies. Alphabet, Amazon, Meta, and Microsoft will all unveil their financial performance Wednesday.Apple’s earnings announcement comes Thursday. These releases will provide investors with critical insights into the sustainability of artificial intelligence infrastructure investments throughout the technology sector.Middle East Conflict Supports Elevated Energy PricesThe ongoing confrontation between the United States and Iran continues adding uncertainty to financial markets. Tehran has presented a framework to lift the Strait of Hormuz closure and suspend nuclear advancement talks, though the Trump administration has voiced doubts regarding the conditions.Top Overnight NewsPresident Donald Trump signaled he was unlikely to accept Iran’s latest proposal to end the conflict after Tehran proposed a plan that would reopen the Strait of Hormuz while leaving questions about its nuclear program for later negotiations. CNNOpenAI…— zerohedge (@zerohedge) April 28, 2026The administration confirmed President Trump will issue a response to Iran’s offer in the near term. The military campaign against Iranian targets has now entered its third month.Oil prices surged considerably during Tuesday’s session. Brent crude advanced 2.7% reaching $104.42 per barrel, while West Texas Intermediate increased 2.6% to $98.83 per barrel.Deutsche Bank’s Jim Reid observed that financial markets are factoring in potential for a prolonged period of stagflation should diplomatic negotiations continue stalling.The benchmark 10-year Treasury yield increased 2 basis points to 4.36%. The US dollar index strengthened 0.2% relative to other major global currencies.Central Bank Policy Deliberations CommenceThe Federal Reserve launches its two-day policy deliberation Tuesday. Financial market forecasts overwhelmingly anticipate monetary policymakers will maintain current interest rate levels when their determination is revealed Wednesday.Investors will scrutinize Federal Reserve Chairman Jerome Powell’s commentary closely. With Powell’s chairmanship nearing its conclusion, his statements carry heightened significance.Bitcoin and XRP both registered losses during early Tuesday trading, market information shows. Digital asset markets have reflected the same cautious sentiment affecting traditional equities.The S&P 500 and Nasdaq both registered unprecedented closing levels Monday. Continuation of that upward momentum hinges substantially on corporate earnings results and Federal Reserve guidance arriving this week.The post Tech Futures Decline as OpenAI Growth Concerns Weigh on Market Sentiment appeared first on Blockonomi.