Market Overview

U.S. stock futures opened lower on Tuesday, with Dow Jones Industrial Average futures down 0.8% by 05:30 ET, S&P 500 futures down 0.3% and Nasdaq‑100 futures down 0.1%. The broader indices were also down, with the S&P 500 at –0.38%, Dow Jones at –0.51%, while energy‑related ETFs showed mixed moves: CVX –1.29%, XOM –1.69%, COP –1.08%, VLO +0.01%, ETN +3.46%, LCO +1.14%, NQU26 +0.20%, ILMN –1.55%, MPC +0.31%, BLDR +2.51%, ODFL +0.06%, FANG –1.83%, SHAK +0.14%, P +1.39%, TTD –4.37%.

Energy Sector Moves

Shares of major U.S. energy companies rose in pre‑market trading after Iran warned that Gulf oil and gas infrastructure could be targeted in retaliation for strikes on its own assets. Exxon Mobil gained 1.8%, Chevron rose 1.7%, ConocoPhillips added 1.6%, Diamondback Energy and Marathon Petroleum each climbed 1.1%, and Valero Energy rose 1.6%.

Eaton Upgrade

Eaton Corp. jumped more than 3% after UBS upgraded the stock to Buy from Neutral and raised its price target to $515 from $450, citing sales growth and expected margin improvement in the third quarter and beyond driven by proactive pricing actions and better execution.

S&P 500 Rebalancing

Everpure is set to join the S&P 500 on 21 September, moving up from the S&P MidCap 400 together with Illumina. The two will replace Builders FirstSource and The Trade Desk in the index.

Shake Shack Coverage

Shake Shack shares rose about 1% after RBC Capital Markets initiated coverage with an Outperform rating and an $89 price target, stating the company is at an inflection point with growing scale and improved marketing and supply‑chain sophistication that could drive upside through at least 2027.

Old Dominion Freight Line Update

Old Dominion Freight Line shares climbed 1.3% following an 8‑K interim operating update that showed revenue per day increased 12.4% year‑over‑year, driven largely by higher less‑than‑truckload revenue per hundredweight.

Context

The market activity occurred as investors monitored the developing U.S.–Iran conflict and rising trade tensions between Canada and the United States. U.S. markets were closed on Monday for Labor Day.