Lululemon Athletica Inc. (LULU) stock rose 1.61 percent to $85.70 in the pre-market trading. The company said its stockholders approved a 2-for-1 stock split of its common stock at its annual meeting held on June 8, along with approving a corresponding increase in the number of shares of common stock authorized for issuance. The stock split will become effective upon the filing of an amendment to the company's Certificate of Incorporation with the Secretary of State of the State of Delaware without any further action on the part of lululemon's stockholders.