Q1: What do we assume about investor behavior when the weather is nice?
A1: Investors are likely to be more optimistic and thus be more active in the stock market.
Q2: What do we assume about investor behavior when the weather is bad?
A2: Investors are likely to be more pessimistic and thus be less active in the stock market.
Q3: Which weather variable has significant influence on all the industries that we covered?
A3: Cloudiness has significant influence on stock prices of all the included industries.