The index opened higher and touched a high of 74,741.25 during the day. However, selling pressure emerged in the pre-close session and the index tanked 310.34 points or 0.41 per cent to hit a low of 74,022.24. The index opened higher and touched a high of 74,741.25 during the day. However, selling pressure emerged in the pre-close session and the index tanked 310.34 points or 0.41 per cent to hit a low of 74,022.24. Zee News :Business