% Google Stock Price
%   time vector is: time1453
%   data vector is: data1453
% Apple Stock Price
%   time vector is: time1454
%   data vector is: data1454

hold all
plot(time1454,100*data1454/data1454(1))
plot(time1453,100*data1453/data1453(1))
hold off
datetick
title('Apple vs. Google: Stock Price')
ylabel('Price')
legend({'Apple','Google'},...
'Location','NorthWest')