Possible Clues:

• Disappointing end
• In disappointment, I ain't calm, but wildly cross
• Caper linked to South American city Times identified as a let-down
• Diversion to the left, I'm across, nearly up, then ...
• Coming out badly in tax claim is a let-down
• Hostile to change initially, city takes on board disappointing outcome
• Revision in tax claim provides disappointing conclusion
• Let-down from old clown unknown outside Peruvian capital
• *Big letdown
• Disappointing result of investing capital in bizarre times