Gold spiked higher at the market open Tuesday in the wake of a 4.5% year-to-year decline in the June S&P/Case-Shiller Index, which measures property prices in 20 U.S. cities. Spot gold climbed from $1,790 to touch $1,830 per ounce following the report’s release.

Spot gold was trading at $1,828 Bid, $1,829 Ask early Tuesday, up $39.50, or 2.21%. Spot silver was trading at $41.42 Bid, $41.52 Ask, up $0.54, or 1.32%. The London p.m. gold fix came in at $1,825, while spot silver was set at $40.90 in the London a.m., according to Kitco market data.

Due out Wednesday are the ADP August employment report, July factory orders, crude oil inventories and Chicago PMI. Initial and continuing jobless claims, the ISM Index, construction spending, and auto and truck sales come out Thursday, and Friday’s the day for reports on August non-farm payrolls and unemployment.

On the exchanges, gold and silver trusts were sharply higher.

• The SPDR Gold Trust (NYSE:GLD) was more than 2.5% higher.
• The iShares Gold Trust (NYSE:IAU) was up around 2.6%.
• The iShares Silver Trust (NYSE:SLV) was more than 1.9% higher.

Gold and silver miners ETFs were moving higher as well.

• The Market Vectors Gold Miners ETF (NYSE:GDX) was up 1%.
• The Market Vector Junior Gold Miners ETF (NYSE:GDXJ) was more than 2% higher.
• The Global X Silver Miners ETF (NYSE:SIL) was 0.75% higher.

Shares of gold miners were higher.

• Agnico Eagle Mines (USA) (NYSE:AEM) was up more than 1.2%.
• Barrick Gold Corp. (NYSE:ABX) was around 0.7% higher.
• Goldcorp (NYSE:GG) was 0.8% higher.
• Newmont Mining Corp. (NYSE:NEM) was up 0.75%.
• NovaGold Resources (USA) (AMEX:NG) was around 0.7% higher.

Silver mining shares also were moving up early Tuesday.

• Coeur D’Alene Mines Corp. (NYSE:CDE) was around 1% higher.
• Hecla Mining (NYSE:HL) was about 1.2% higher.
• Pan American Silver Corp. (USA) (NASDAQ:PAAS) was up around 1.4%.
• Silver Wheaton Corp. (USA) (NYSE:SLW) was nearly 1.6% higher.
• Silver Standard Resources Inc. (USA) (NASDAQ:SSRI) was up around 1.3%.

The author does not hold positions in any of the above-mentioned investments.