Silicon Photonics Takes Center Stage as AI Hardware Bets Collide with Market Rotation

$NVDA $TSLA $HOOD — NVIDIA’s $2 billion strategic investment in Marvell and Samsung Foundry’s public entry into silicon photonics pushed optical interconnects to the top of the market agenda today, even as momentum trades (Tesla, Robinhood, Block) and macro signals (an $8B gas squeeze, Morgan Stanley's defensive pivot) reveal a bifurcated market. Analysts parse where value will accrue in the emerging optical stack and what different investor types should watch next.