Photonics Stocks Tumbled. Credo Down 13%; AAOI And Lumentum Down 7%; Astera Labs And POET Down 6%; Coherent And Ciena Down 5%

TradingKey - What makes Warren Buffet continue with his Occidental Petroleum investments, OXY stock is seen by many investors as an appealing long-term play or will it reflect Buffet's different lenses when investing?

TradingKey - While the AI revolution has crowned Nvidia (NVDA) with total market domination in the area of training hardware, there are now signs of a shift in the ecosystem. 

TradingKey - Warren Buffett just stepped down from the CEO position at Berkshire Hathaway (BRKB)in 2025 Q4, and he left a $400 billion trail of crumbs behind him. His last-quarter transactions were anything but predictable: a colossal 77% sale of Amazon stock (AMZN); a tactical withdrawal from Apple

TradingKey - Google’s (GOOGL) (GOOG) introduction of the TurboQuant vector compression algorithm has sent shockwaves through the AI memory chip industry, acting like a precisely cast stone.

TradingKey - On March 26, Reuters reported that Elon Musk is discussing allocating up to 30% of SpaceX's IPO shares to retail investors, a proportion triple the conventional level. Typically, companies going public allocate only 5% to 10% of IPO shares to retail investors. Musk's move is reportedly