Where, oh, where are the buyers? Investors found little reason to interrupt their summer vacations, making for the worst week for blue chips this year. The Dow and the S&P 500 closed down. The Nasdaq tried to avoid the same fate but gave in. As for that weekly fall - blue chips tumbled 2.2 percent and the Nasdaq 1.6 percent. Gold may be indicating just how weary investors have become. Gold prices setting a two-month high on Friday.