On March 18, 2026, Nvidia shares traded higher in premarket after regulators in China cleared the sale of its H200 artificial intelligence chips, enabling the company to restart production and resume shipments to the region. The company is also developing a Groq AI chip variant for Chinese customers, while its stock recently closed at $181.93 with a consensus Strong Buy rating and an average target price of $274.46 from Wall Street analysts.

Advanced Micro Devices stock is moving higher in premarket trading on March 18, 2026 after the company signed a wide-ranging AI memory supply memorandum of understanding with Samsung Electronics. The agreement positions Samsung as the primary HBM4 supplier for AMD’s upcoming Instinct MI455X GPU and extends to DDR5 for next-generation EPYC processors, while AMD shares trade around $198.95, up about 1.34% from the prior close.

On March 17, 2026, Qualcomm shares moved higher after the company unveiled a new $20 billion stock repurchase authorization and raised its quarterly dividend from $0.89 to $0.92 per share. The stock traded around $131.99 in early Tuesday action, up about 2.01%, as investors reacted to the expanded capital return plan and ongoing efforts to diversify beyond smartphones.

On March 17, 2026, ImmunityBio shares climbed in premarket trading after ANKTIVA in combination with BCG was added to the NCCN's 2026 bladder cancer guidelines with a Category 2A recommendation for BCG-unresponsive papillary-only NMIBC. The move followed strong year-to-date stock gains, detailed clinical data from the QUILT-3.032 study, and comes as the company awaits FDA review for this additional indication.

On March 16, 2026, Nvidia shares advanced more than 2% in morning trading as CEO Jensen Huang kicked off the four-day GTC 2026 developer conference in San Jose. Investors are watching for details on the internally named Feynman AI chip, AI software platforms, and data center infrastructure strategy, while the stock trades near a $4.47 trillion market value with analysts maintaining bullish 12-month price targets.

Dollar Tree reported fourth-quarter fiscal 2025 EPS of $2.56 and revenue of $5.5 billion, both slightly above market expectations, supported by 9% net sales growth and a 5% rise in comparable store sales. In contrast, SAIC posted quarterly EPS of $2.62, beating the $1.98 consensus, while its $1.75 billion in revenue came in below forecasts. Dollar Tree issued fiscal 2026 guidance calling for up to $20.7 billion in net sales, and SAIC projected fiscal 2027 revenue between $7.0 billion and $7.2 billion.

Micron shares climbed in premarket trading on March 16, 2026 after the company closed its US$1.8 billion purchase of PSMC's P5 site in Tongluo, Taiwan and detailed plans for a second fab at the location. The stock traded at $445.35, up 4.51% from the prior close, as investors reacted to the expanded AI-focused DRAM and HBM production roadmap ahead of Micron's Q2 FY2026 earnings call on March 18.

Meta Platforms stock climbed 3.23% to $633.01 in premarket trading on March 16, 2026, after closing at $613.71 in the prior session. The move followed a report that Meta is weighing layoffs affecting 20% or more of its roughly 79,000 employees to offset a planned $600 billion AI data center investment through 2028, while the company's financial metrics and analyst outlook remain broadly positive.

Dollar General, Futu Holdings and DICK'S Sporting Goods each reported fourth-quarter figures that topped earnings and revenue forecasts, with notable gains in sales and EPS. The three companies also issued upbeat guidance for fiscal 2026, outlining plans for store expansion, international growth and customer-focused initiatives.