Market Update: Tesla's Margins Dive, Bank Earnings Takeaways, and Strong Travel Season Predicted.

Stock futures for the Dow Jones, S&P 500, and Nasdaq-100 are slightly down as investors analyze the latest corporate earnings reports, including Tesla's 20% drop in net income and GAAP earnings, and IBM's expansion in margins. The S&P 500 finished slightly below its flatline, while the Nasdaq Composite ended slightly higher and the Dow closed 0.2% lower. The SPDR S&P Bank ETF had its best day since March 21, with regional bank shares surging. The three major indexes are on track for weekly gains.