Twitter's efforts to engage users yet to fully pay off

Oct 28 (Reuters) - Twitter Inc's efforts to improve user engagement and growth rates are taking longer than expected to gain traction, prompting a wave of rating and price target cuts on the stock.

from Reuters: Financial Services and Real Estate http://feeds.reuters.com/~r/reuters/financialServicesRealEstateNews/~3/wcxTTko3K9s/story01.htm