Johannesburg-listed gold mining stocks surged in early tradee on Wednesday as investors took shelter from the deteriorating global economic outlook and Europe's worsening debt crisis.

The index of gold miners rose as high as 2.2 percent soon after the open. It was up 1.6 percent 0718 GMT.

Spot gold hit another record high on Wednesday.

Harmony Gold is trading 3.6 percent at 99.99 rand and AngloGold Ashanti is 2 percent higher at 296.01 rand.