Investors await Nvidia’s earnings report to gauge the tech sector’s valuation. Nvidia’s stock has surged, making it the world’s largest company. Traders are concerned about a possible tech bubble. Nvidia’s results will impact the market significantly. Markets stabilize after Trump’s move to fire a Federal Reserve governor. Interest-rate cut expected in September. Quarterly reports from retailers and tech companies are due.

Read more at Yahoo Finance: Wall St futures flat in countdown to Nvidia results