Question: But he nodded.
But he took the time to nod quickly.

Answer: it is not possible to tell

Question: uh Cornell is in Ithaca
The man says that Cornell is in Ithaca.

Answer: it is not possible to tell

Question: The price of an IPO, then, should reflect as nearly as possible what investors really think about a company's prospects.
The IPO should cost what the investors think it is worth.

Answer:
yes