Gold prices extended gains on Thursday, after hitting a more than one-week high in the previous session, as investors took stock of softer-than-expected jobs data, while lower oil prices lent additional support to bullion. Spot gold rose 0.8% to $4,063.56 per ounce, as of 0103 GMT, after rising to as much as $4,114.99 per ounce on Wednesday, its highest level since June 23. US gold futures