These are the data:

And here are the results:

Could you please explain how we got these results?

Date Open High Low Close Adj close Volume 2019-10-01 2983.689941 2992.530029 2938.699951 2940.250000 2940.250000 3558040000 2019-10-02 2924.780029 2924.780029 2874.929932 2887.610107 2887.610107 3912520000 2019-10-03 2885.379883 2911.129883 2855.939941 2910.629883 2910.629883 3503640000 2019-10-04 2918.560059 2953.739990 2918.560059 2952.010010 2952.010010 2990830000 Max gain: 1.42% on Fri, 24 Oct 2019 Max loss: -1.79% on Wed, 02 Oct 2019 Longest growth streak: 2 days (Thu, 03 Oct 2019 to Fri, 04 Oct 2019)