Cadence Design Systems Inc., San Jose, Calif., added the William Blair International Growth fund as an investment option in its $300 million 401(k) plan, according to Tracy Uyeda, principal benefits analyst. The fund replaced the American Century International Growth fund, which was not adhering to the plan's investment policies, Ms. Uyeda said. Arnerich, Massena assisted. The plan offers 15 investment options. J.P. Morgan Retirement Plan Services is bundled provider.