As of the close on Friday, $S&P/ASX 200(XJO.AU)$ closed at 8,310.40 on Friday, up 0.20% in the past 5 days.1. $STAR ENTERTAINMENT GRP LTD/T(SGR.AU)$ +27.27%Star shares rose a lot on Tuesday. Star Entertainment’s major Macau-based investor has increased his stake in the company for a second time in a week, with the mystery businessman now owning almost 7 per cent of the struggling casino operator.Star owns casinos in Sydney, Brisbane and the Gold Coast, but has been under serious financial strain over the past 12 months as high-rollers stay away and the company contends with big debts and fines. Some brokers expect Star, which said last week that it only had