Airlines and cruise ship operators have yet to report drops in bookings because of the virus.
Some “babymooners” - parents-to-be taking last-hurrah vacations - have backed out of trips and changed itineraries.
World Health Organization officials said Thursday the virus is "spreading explosively" and the Americas could see up to 4 million cases of Zika in the next year.
The disease seems to be related to birth defects in Brazil.
The illness might be causing thousands of birth defects.
The pre-sale tickets will be available on December 8.
"We have not had a year with lots of IPOs, but in the last three to five years we have seen continuous activity" said Pedro Zorilla, chief operating officer of the Mexican Stock Exchange.
The new forecast compares with 3% in April.
The city government said vehicles used by Uber and other services would have to cost at least 200,000 pesos (US$12,674) and each Uber vehicle will also need a 1,599 peso yearly permit (US$102), a government transport official said.