There was no evidence that the drug studied would protect the heart, and I pulled the buy rating.
We reiterate our buy rating and £15.50 price target.
Many companies use such access as rewards for buy ratings, thus making it difficult for more skeptical analysts to keep their clients happy.
He initiated coverage of the company last week with a buy rating.
Ben, how could you give this game a buy rating?
In the months before it collapsed, the company received almost uniform buy ratings.
He has a strong buy rating and a 52-week target of $200 on the stock.
Of the 23 analysts covering the shares and monitored by Bloomberg only 6 have a buy rating.
The broker said its investment case - a buy rating and a price target of 376p - was based on the company's "very powerful cash flow".
Credit Suisse started coverage on the company with a buy rating.