** Shares of Google parent Alphabet GOOGL.O rise 3.5% to $248.89
** Alphabet hit a market capitalization of $3 trillion for the first time
** Class A and Class C shares of the company were up 3.3% at $248.6 and $249.07, respectively - both an all-time high
** Alphabet joins Apple and Microsoft in the $3 trillion club, while AI leader Nvidia has surpassed $4 trillion
** Up to last close, stock had risen 27.2% YTD