US equity markets opened June on the back foot - Dow down -177-points or -0.54%, paring an earlier decline of as much as -405-points. Salesforce Inc jumped +9.88% after the cloud-based customer-relationship-management company topped Wall Street estimates for first quarter after the closing bell of the previous session. The broader S&P500 -0.75%, with Financials (down -1.67%) leading ten of the eleven primary sectors lower. Energy (up +1.76%) was the only primary sector to advance. Delta Air Lines Inc fell -5.16% despite the carrier raising its total and unit revenue guidance for the second quarter, while the capacity outlook was lowered. Delta said it expects "strong" results for the quarter through June, and now expects revenue to be ~100% of what it was for the same period of pre-pandemic 2019, up from previous guidance of 93% to 97% of 2019 levels, while unit revenue is now expected to be 7%-8% better than previously expected. The company lowered its estimate for available seat miles (ASM) versus 2019 to 82% to 83% from approximately 84%, while raising its outlook for cost per available seat mile (CASM) excluding fuel to be up 20% to 22% from up approximately 17%. Delta's estimate for fuel price per gallon was boosted to US$3.60 to US$3.70 from $3.20 to $3.35. The Nasdaq -0.72%. Meta Platforms Inc fell -2.58% after Chief Operating Officer (COO) Sheryl Sandberg announced she was stepping down after 14-years with the company. The small capitalisation Russell 2000 lost -0.49%.