HighStock Start Month rangeSelector和series.compare不适用于初始加载

We are working on creating a stock chart showing several items even counts and their relative per cent change over time. The data is monthly and we have a range selector set up to allow for 6 months, 9 months, 1 year, and all data. On initial load we are selecting the 6 month range. We are noticing some strange effects. Here is a sample jsFiddle representing the issues: We are working on creating a stock chart showin