UPDATE 1-UK Stocks-Factors to watch on Wednesday, May 28
(Adds company news, futures)
EDINBURGH May 28 (Reuters) - Britain's FTSE 100 index is seen opening slightly higher on Wednesday, with futures on the index up 0.1 percent ahead of market open. For more on the factors affecting European stocks, please click on
* The blue-chip FTSE 100 index closed up 29.19 points, or 0.4 percent, at 6,844.94 points on Tuesday, lifted by gains in chip designer ARM and InterContinental Hotels Group, which pushed the market back to within reach of its record high.
* WEIR - British engineering company Weir Group said it submitted a revised acquisition proposal for Finnish rival Metso on May 20, but the approach had been rejected a week later, adding that it would not pursue a takeover any further at the current time.
* GLAXOSMITHKLINE - Britain's fraud office has launched a formal criminal investigation into GlaxoSmithKline, posing a new challenge to the drugmaker, which already faces claims of bribery in China and four other countries.