U.S. equity futures were mixed in early trading as investors weighed a mix of earnings, regulatory headlines and forward guidance from retailers and chipmakers. Notably, Nvidia rose nearly 1% after Reuters, citing sources, reported that Chinese regulators approved the sale of its H200 AI chips in China. The company is also reportedly preparing to offer in China a version of its Groq AI chip, according to CNBC’s coverage of the Reuters report. In premarket action, several names moved on quarterly results or analyst commentary. Macy’s surged about 8% after delivering fourth-quarter results that topped expectations on both earnings and revenue.…