Findings: 1. Texas experienced most storms in 2018. 2. Storms occurred most frequently in June, 2018. Overall, the States experienced more storms in summer. 3. Stomrs usually lead to thunderstorm and strong wind. 4. Lousiana experienced most severe storms in 2018.

From the gathered information, WMT might be the best stock of the four to invest. Its trading volume remains high for the past five days, meaning it's easy to ask or bid. Aside of that, the price trend shows WMT has potentials at this end of the year. Given that the holiday season is coming, WMT , leader of wholesale, is sure to make a lot of money and brings its stock price even higher.