Other forms: upturns
Use the noun upturn to describe an improvement, especially in finances or business.
If your neighborhood ice cream man is smiling, it is probably because the hot summer weather this week has caused an upturn in his popsicle business. You're likely to come across the word upturn when you're reading the newspaper or watching TV news, at least if things are looking up, financially: "There are strong signs of an economic upturn."