Humana rises after co says 20% of its members in high-rated Medicare plans

TradingKey - Recently, the South Korean stock market has repeatedly hit record highs. At the market open on May 15, the KOSPI Index briefly broke through the 8,000-point psychological level before staging a sharp intraday plunge, with losses exceeding 7% at one point. It closed down 6.12%, signaling collective profit-taking as investors locked in gains at key resistance levels.

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."

US markets hit records on AI growth and Nvidia’s China expansion. Key drivers include Cisco’s gains, Cerebras’ IPO, US-China diplomacy, South Korean retail FOMO, and Middle East tensions.

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.