One killed, 13 injured in Ukrainian drone attack in Russia's Kursk region, governor says

TradingKey - On March 31, 2026, local time, NVIDIA (NVDA) announced a $2 billion investment in semiconductor giant Marvell (MRVL) and the establishment of a deep strategic partnership.

TradingKey - On Tuesday, March 31, OpenAI officially announced the completion of its largest private funding round since its inception. The deal set a new global record for private financing, bringing the company's post-money valuation to $852 billion.

TradingKey - On April 1, 2026, the AI industry witnessed a dramatic contrast: OpenAI completed the largest financing round in Silicon Valley history amid surging capital enthusiasm, while the memory spot market suffered a “cliff-like” plunge, sending a chill through the sector. These seemingly contr

TradingKey - On Wednesday (April 1), South Korea's KOSPI index surged by as much as 9% in late trading, breaking above the 5,500-point mark and ending a four-session losing streak. As KOSDAQ 150 index futures rose 6%, the Korea Exchange triggered a circuit breaker mechanism, suspending program tradi

Most investors don’t spend much time thinking about helium. It’s the party-balloon gas… or at least that’s what most people think. But But behind the scenes, helium keeps a lot of high-end tech running - and supply has tightened fast lately.