Why is Grasim Inds falling/rising?

As of 21-Aug, Grasim Industries Ltd's stock price is currently at Rs 2,879.15, reflecting an increase of Rs 17.15, or 0.6%. The stock has been performing well, having gained 4.17% over the past week and 4.70% over the past month, while it has outperformed the sector by 0.82% today. It is also trading close to its 52-week high, just 0.64% away from Rs 2,897.55. The stock has shown consistent upward movement, gaining for the last two days with a total return of 1.6% during this period. Additionally, the company boasts strong fundamentals, with a healthy long-term growth rate in net sales and operating profit, alongside high institutional holdings, which contribute to its positive valuation compared to peers.
In the broader market context, Grasim Industries has outperformed the Sensex, which has only risen by 1.74% in the past week. The stock's year-to-date return of 17.58% significantly exceeds the Sensex's 4.94%, indicating strong investor confidence. Despite some risks, such as flat results in June and a high debt-equity ratio, the stock's consistent performance over the last three years and its significant market capitalization within the sector suggest a robust position in the market. Overall, the combination of positive investor sentiment, strong institutional backing, and favorable performance metrics contributes to the stock's rising price.