Pharma nerves hit stocks, dollar wobbles before Fed gathering

By Marc Jones LONDON (Reuters) - European stocks saw their biggest fall in three weeks on Thursday and currency markets were noticeably subdued as investors took to sidelines ahead of one of the big global central banker gatherings of the year. Japanese and Chinese stocks had suffered modest drops in Asia and the pace picked up in Europe as London's FTSE sank 0.4 percent and Frankfurt and Paris lost as much as 1.2 percent in a region-wide slide. Wall Street was also set for an all-red start for