Stock futures are slightly lower Tuesday after major indexes hit their latest record highs to start the week; HP Enterprise shares are surging after the server maker reported strong quarterly results and lifted its full-year outlook; Marvell Technology shares are soaring after Nvidia CEO Jensen Huang said the hardware maker could be the next trillion-dollar company; Google parent Alphabet unveiled a massive fundraising plan to support its data center buildout; and Dollar General shares are up following a solid earnings report. Here's what you need to know today.