Be careful basing investment decisions off Morning Star analysis of this type. It is a quantitative analysis (numbers) taking into account financial information and recent trading. It is not necessarily signed of by an actual financial analyst and can have a high degree of variability.
If you really want advice as to whether Big is a good investment talk to a financial advisor or undertake your own research.
BIG Price at posting:
$2.22 Sentiment: Buy Disclosure: Held