Intel worst performer on the Dow this year Nvidia stock rises 2.2% after hours, Intel down 1.6% Sherwin-Williams will also join the blue-chip index Sign up here. Once the dominant force in chipmaking, ...

Nvidia Corp agreed to invest US$5 billion in Intel Corp and said the two will co-develop chips for PCs and data centres, a surprise move to help prop up an ailing archrival that sent Intel shares ...