U.S. stock futures were unchanged on Tuesday as investors awaited key inflation data this week to gauge the strength of the U.S. economy. During regular trading on Monday, the Dow fell by 0.36%, the S&P 500 was nearly flat, and the Nasdaq Composite rose by 0.21%, with major indexes failing to build on recent gains. Real estate, telecommunications, and consumer staples stocks lagged the most, while technology, energy, and utility stocks led the market. Notably, Nvidia rose by 4% as the chipmaker worked to address concerns about its next-generation processors. Conversely, Qualcomm shares fell by 1% following a downgrade from "Outperform" to "Peer Perform." JetBlue Airways also dropped by 20.7% after announcing plans to secure a $2.75 billion loan using its loyalty program as collateral. Retail giant Home Depot is set to report its latest earnings on Tuesday.