Sun Pharma has taken support at 820-840 level for the third time in recent months. Upside levels should get tested now. CMP 846, Target 888.  Higher targets may also come, but those are for another trade. Below 800, Sun Pharma can move down to 720 level. Therefore, we need to very cautious in any long position below 800. l, so we need to be very cautious on long trades below 820.