Gold prices saw their steepest single-day fall in five years. After touching a record on Monday, gold slipped 5% on Tuesday to $4,120 per ounce. Experts believe investors are now cashing in after months of rapid gains. Gold prices saw their steepest single-day fall in five years. After touching a record on Monday, gold slipped 5% on Tuesday to $4,120 per ounce. Experts believe investors are now cashing in after months of rapid gains.