INVESTORS in Google have experienced somewhat of a roller coaster ride over the last three months. Google may be facing a Wall Street backlash as investment analysts demand that the world's largest internet search company provide regular financial forecasts after a series of errors. Some analysts are calling for Google to step into line to establish some kind of price stability. On a positive note, Google bought Silicon Valley start-up Upstartle last week, gaining Writely Internet wordprocessing software. The acquisition puts the company in direct competition with Microsoft's Office software and signals Google's intention to expand its reach further into Microsoft's area. With Microsoft the clear leader at the moment, Google's task of eating into Microsoft's share of the market will be difficult to say the least.