Profit taking in gold futures sent exchange-traded funds that follow the commodity significantly lower Monday. Shares of the iShares Comex Gold Trust ( IAU), which jumped more than 5% last week, were recently trading down $1.26, or 2%, to $64.82. The streetTracks Gold Shares ( GLD) was down $1.12, or 2%, to $64.73. Gold was recently trading down $15 to $653 an ounce. Silver was faring worse than gold, with the iShares Silver Trust ( SLV) ETF dropping more than 4%. Most recently, silver was trading down 45 cents to $11.08 an ounce. The silver ETF, which rose steadily during last week's metals rally, was recently trading down $4.61 to $110.38. Oil-focused ETFs also fell as crude dropped from record highs reached Friday. Light, sweet crude was recently down $1.48 to $75.55 a barrel on Nymex. The U.S. Oil Fund ( USO) was down $1.12, or 1.5%, to $72.10. Shares of the Diamonds Trust ( DIA) ETF, which tracks the Dow Jones Industrial Average, rose modestly after McDonald's ( MCD) posted solid same-store sales results for June and said that its second-quarter earnings would be better than expected. Also on the upside was Boeing ( BA), which rose $2.03, or 3%, to $79.28. Shares of the Dow ETF were recently trading up 34 cents to $107.66. The iShares Dow Jones U.S. Energy ( IYE) slid 3% after several of its top 10 holdings were lower. The biggest losers included Haliburton ( HAL), which fell $1.84 to $35.11, and Schlumberger ( SLB), which shed $3.15 to $64.92. Shares of the energy ETF recently were down $2.72 to $95.65.The Oil Service HOLDRs ( OIH) ETF, which has many of the same holdings, declined $5.26, or 3.6%, to $141.54.