Market Movers rounded up the latest reactions to Lululemon from investors and analysts following the athleisure clothing company’s ascension to the S & P 500 effective Wednesday. The i ndex change was announced Friday . Lululemon is replacing Activision Blizzard, which was acquired by Microsoft Friday in a much-delayed, $69 billion deal. LULU stock is up 25% year-to-date and joins 22 other S & P 500 companies that are officially based outside of the U.S. — and the only one based in Canada. LULU soared during Monday’s session to close the trading day up 10.3%.