Chances of volatility is probably high on any result/earnings day.
Better to know the resistance and support levels if anyone is trading with these stocks so that the enter/exit points are known and stop loss can be calculated in advance to avoid losses/make gains.
As per the chart, the trend seems to be reversing.It is forming a triangle pattern and at the upper end of the pattern. The stock touched the upper part of the trend line and seems its reversing from there. Chances of the stock hitting around the support level is possible i.e. around 1648-1640 in short term