Sentence:  Now , if Morton 's newest product , a corn chip known as Chip-o 's , turns out to sell as well as its stock did , the stock may turn out to <WSD>be</WSD> worth every cent of the prices that the avid buyers bid it up to . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)