UK Stocks-Factors to watch on August 28

(Adds futures) LONDON, Aug 26 (Reuters) - Britain's FTSE 100 index is seen opening around 8 points or 0.1 percent higher on Friday, according to financial bookmakers. Futures were flat ahead of the cash market open. For more on the factors affecting European stocks, please click on * The UK blue-chip index rose 3.6 percent on Thursday, recouping all of its losses from this week's bruising sell-off after strong U.S. data calmed global markets rocked by concerns over Chinese growt