We need someone with qualifications dai dissertations And some investors believe the rally in cocoa futures is overblown. The outlook for West African supplies is too pessimistic, and cocoa prices are likely to fall back once the harvest there begins around mid-October and traders get more precise indications of actual output, said Shawn Hackett, president of brokerage and consulting firm Hackett Financial Advisors in Boynton Beach, Fla.