A company's influence on the index is measured by its weight. ICICI Bank's weight has reached a record high. This milestone reflects the bank's stronger share price. The bank's share has risen significantly over three months, increasing its weight.

The rise in weight is notable, with the bank's position in the index changing over time. Its weight was lower at the end of May and increased in the following months.

Further details about the bank's performance and its position relative to other companies are available from the source, including its comparison to HDFC Bank.