Pakistan, Feb. 6 -- Gold prices climbed while silver experienced sharp swings on Friday amid a global stock market rout and increased margin requirements by CME for precious metals.

Spot gold surged 2.3% to $4,879.45 per ounce by 05:52 GMT, marking a modest 0.3% gain for the week. Meanwhile, US gold futures for April delivery added 0.2% to $4,897.20 per ounce.

Read More: Gold and silver bounce back after sharp volatility

Silver, however, displayed extreme volatility. The white metal jumped 3.8% to $73.91 per ounce after plunging nearly 10% earlier in Asia trade to below $65, its lowest in over a month and a half. Silver had fallen 19.1% in the previous session, and for the week, it declined more than 13%, following an 18% drop last wee...