International Business Times – The glitzy casinos of Macau, a gambler’s paradise just off mainland China, saw a surge in gambling revenue over the week-long Chinese national holiday from Oct. 1 to Oct. 7 known as Golden Week, according to a Citigroup Inc. (NYSE:C) research note. Daily gross gambling revenues for the first six days of October were up 30 percent from the year before. In total, gamblers spent about 10.6 billion Macau patacas ($1.32 billion) in one week. On a daily basis, that’s 85 percent higher than daily revenues during the first nine months of the year. Revenue is…