can you please slove this question.

Suppose that shares of Walmart rose rapidly in price from $45 to $100 as a result of a doubling of corporate profits. Later, they fell to $60 at which point some investors will buy, figuring it must be a bargain (relative to the recent $100). Such investors are displaying which bias? a) Anchoring b) Recency Oc) Representativeness d) Confirmation