Hi Indranil,
Thanks for the explanation. But my doubt is why the behavior is different for both the datapoints.
Please take a look at this jsfiddle. In this example try “datapoints1” and “datapoints2” and check x-axis labels, you will see for datapoints1 its using label property and for datapoints2 its formatting by “valueFormatString”. So as per my understanding for both the cases it should consider “valueFormatString” not label value.