Gold prices rose Tuesday after the dollar slumped to a new low against the euro and crude oil spiked to near $120 — inflationary moves that boosted the metal's appeal as an alternative investment. Other commodities joined in the rally, with everything from copper to heating oil and agriculture futures trading higher. The euro surged above $1.60 for the first time Tuesday after European officials warned of possible interest rate hikes to curb rising inflation. The 15-nation euro reached as high as $1.6018 before easing back to $1.5980 in afternoon trading, still above the $1.5916 it bought late Monday.

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