By Liz Napolitano
Publication Date: 2026-03-18 11:33:00
Check out the companies making headlines before the bell. Nvidia — Nvidia rose nearly 1% after Reuters reported , citing sources, that the chipmaker got approval from the Chinese government to sell its H200 chips in China. The company is also reportedly preparing to make available in China a version of its Groq AI chip. Micron Technology — The memory and storage solutions firm saw shares tick up 2.1% ahead of its fiscal second-quarter earnings report expected after the bell on Wednesday. Macy’s — The retailer popped 8% on better-than-expected results for the fourth quarter. Macy’s earned $1.67 per share, excluding on revenue of $7.64 billion. Analysts polled by LSEG expected a profit of $1.53 per share on revenue of $7.62 billion. Block — Shares of the payments technology company jumped more than 2% after two upgrades on the stock. Rothschild & Co Redburn moved their rating to hold from sell after five years, while Truist upgraded the stock to buy from hold. Both said Block’s lower price to earnings valuation was one of the reasons for each of their respective upgrades. CF Industries — CF Industries declined nearly 4% after Mizuho downgraded the stock to underperform from neutral, even as the investment firm slightly raised its price target on shares to $100 from $95. Constellation Brands — Shares popped 2.5% on the back of Citi’s upgrade to buy from neutral. Citi said the alcohol producer has improving topline trends while having a historically low valuation….