I like the visuals (art style) which are good in harmony with the SFX and music. I had some smaller issues where the next day the sell window opened but was not shown (only after i switched to fullscreen or back).
I was a bit lost in the beginning, trying to buy things at a lower price but somehow the next day either these were not to buy or the sales price was even lower. Might need more time to get into it or a tutorial. Nevertheless an interesting idea especially for people liking numbers and these kind of number/wall-street/betting games. :)