On the back of encouraging pronouncements about its ever-deepening involvement with artificial intelligence (AI), Alphabet's (GOOG 1.16%) (GOOGL 1.32%) two listed stocks both gained ground on Friday. The pair each rose in excess of 1% following CEO Sundar Pichai's remarks on where the company stands with AI.Those modest price bumps were sufficient to beat the S&P 500 index, which advanced by 0.7% on the day.Aiming for wider AI deploymentPichai was a guest on All-In, a popular podcast in which business, tech ...