Photonics Stocks Rebounded. AAOI Up 7%; Coherent, Lumentum And Lightwave Up 5%; Aeluma, Ciena, Credo, Astera Labs, Fabrinet And POET Up 2%

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 - Social media giant Meta Platforms (META) suffered its sharpest sell-off of the year on Thursday, as shares plunged 8%, wiping out $119 billion in market value in a single day. The direct catalyst for the slump was a series of recent legal setbacks in New Mexico and California.