Alphabet was on track ​to hit a historic ‌$4 trillion market valuation on Tuesday,‌ powered by an impressive year-long rally fueled by the Google parent’s ⁠sharpened focus ‌on artificial intelligence tools. Shares of the ‍company were up 4.1% at $331.7 in premarket ​trading, putting the ‌company on course to breach the key milestone at the open. The search and ad tech giant joins an ⁠elite club of ​Big Tech companies ​racing to dominate the booming technology as AI ‍continues to ⁠captivate Wall Street this year.