Following big gains for stocks on the first day of the month some are already banking on a strong end to the year for the market. But one analyst expects that one-day gains will just lead to more of the same.

“Even though we can never exclude that this positive first step will lead to a better equity market environment, we remain skeptical for a number of reasons” Philippe Gijsels, the head of global market research at BNP Paribas Fortis, said in an e-mail to CNBC Thursday.