S&P, Nasdaq open higher on oil retreat, tech optimism

The S&P 500 and the Nasdaq opened higher on Tuesday, helped by a pullback in oil prices, while media reports of the details about Anthropic's public offering bolstered sentiment towards technology stocks.The Dow Jones Industrial Average DJ:DJI fell 64.6 points, or 0.13%, at the open to 51416.96. Th…