Shares in the Retail HOLDRs Trust ( RTH) slid 2% Tuesday after Target ( TGT) lowered its July same-store sales forecast. The company now sees same-store sales growth of 3% to 4%, down from an earlier forecast of 4% to 6%. Adding pressure to the entire retail complex was AG Edwards' downgrade of several retailers. The firm downgraded Best Buy ( BBY), J.C. Penney ( JCP) and Abercrombie & Fitch ( ANF) to hold from buy. Shares in the retail ETF recently were trading down $1.96 to $87.38. Shares of semiconductor ETFs took it on the chin Tuesday as a host of chip stocks moved lower. Advanced Micro Devices ( AMD) was trading down 72 cents to $20.20. Intel ( INTC) fell 9 cents to $17.75, and Texas Instruments ( TXN) sank 85 cents to $27.52. Meanwhile, shares of the iShares Goldman Sachs Semiconductor ( IGW) ETF were trading down $1.25, or 2%, to $52.05. The PowerShares Dynamic Semiconductors ( PSI) ETF was dropped 42 cents, or 3%, to $15.26. Despite solid earnings performances from three of its components, shares in the Diamonds Trust ( DIA) ETF, which tracks the Dow Jones Industrial Average, headed lower. Coca-Cola ( KO), United Technologies ( UTX) and Johnson & Johnson ( JNJ) all posted better-than-expected earnings. Still, shares of the Dow ETF were recently down 62 cents to $106.90 as the average moved lower. The iShares Silver Trust ( SLV) was among the biggest ETF losers Tuesday as silver continued to give up ground. The metal was recently trading down 43 cents to $10.66 an ounce. The silver ETF, meanwhile, was recently trading down $3.91, or 4%, to $105.06.