RPT-Trump says he is not sure ceasefire with Iran needs to be extended

TradingKey - Following a rally the previous day, Nvidia’s share price plunged during intraday trading on May 15, falling more than 4.6% at one point and wiping out a significant portion of its market value. Earlier, during pre-market trading, foreign media reported that sales of Nvidia's H200 chips to China are unlikely to achieve a substantial breakthrough in the short term. Nvidia's share price fell toward $230 at one point, a decline of over 3%, resulting in a market cap loss of approximately $170 billion (roughly RMB 1.1 trillion).

TradingKey — U.S. President Donald Trump recently submitted his latest financial disclosure filings to the Office of Government Ethics (OGE), disclosing approximately 3,600 securities transactions in a single release. The records indicate significant portfolio rebalancing during the first quarter of 2026.

TradingKey — On Thursday, May 14, Eastern Time, AI chipmaker Cerebras Systems, regarded by the market as an "Nvidia challenger," officially listed on the Nasdaq under the ticker symbol "CBRS," delivering a stunning performance on its first day of trading.

TradingKey - On May 14, Eastern Time, the three major U.S. stock indices closed higher across the board, with the Nasdaq and S&P 500 both hitting record highs. The Dow Jones Industrial Average closed above the 50,000 mark for the first time in three months. On the same day, Kevin Warsh officially succeeded Jerome Powell as Chair of the Federal Reserve, ushering in the Fed's "Warsh Era."

TradingKey - Cerebras Systems (CBRS) IPO prices May 13–14 at $125–$135/share. $26–$27B valuation, 20x oversubscribed, $510M revenue, 47% net margin, OpenAI 750MW deal. Everything you need to know.