(Reuters) - London's FTSE 100 dropped on Friday as investors took measures to reduce their exposure to perceived risky assets as the coronavirus continued to spread, while a buyout offer powered mid-cap real estate investment firm Daejan to a life-high.The FTSE 100 slipped 0.5% after an uptick in new cases of the virus in China and South Korea hit stocks more exposed to commodity prices including oil majors and miners ."Perhaps the reality of the situation is starting to hit home for investors..