US stock futures held their slight increases on Wednesday as markets positioned for the release of Nvidia's results after today's closing bell, a bellwether for global artificial intelligence demand and confidence. Contracts attached to the three main equity indices were around 0.2% higher. The world's largest company by market capitalization is expected to report a 37% growth in earnings in its second financial quarter, but markets will also scrutinize CEO Huang's rhetoric on the outlook of AI revenues after markets showed concerns of frothiness in tech stocks, in addition to insights on the impact of trade restrictions between US and China. Meanwhile, MongoDB surged nearly 30% and Okta gained about 6% after both beat Wall Street expectations, driven by strong demand from firms developing AI platforms. Cracker Barrel also jumped more than 7% after announcing it will scrap its new logo following backlash from customers and President Donald Trump.