Why is NRB Bearings falling/rising?

As of 15-Sep, NRB Bearings Ltd's stock price is currently at 282.20, reflecting an increase of 1.8, or 0.64%. The stock has shown a trend reversal by gaining after three consecutive days of decline. However, it is important to note that the stock's delivery volume has decreased significantly, falling by 30.48% against the 5-day average. In terms of performance, the stock has returned +0.84% over the past week, which is lower than the Sensex's return of +1.24%, and has underperformed over the last month with a return of +0.36% compared to the Sensex's +1.47%. Despite a negative return of -11.81% over the past year, the company has demonstrated strong fundamentals, including a low Debt to EBITDA ratio of 1.06 times and a healthy operating profit growth rate of 72.65%. In the broader market context, while NRB Bearings has struggled in the short term, its long-term growth prospects remain promising, as indicated by its 3-year return of +58.36%, significantly outperforming the Sensex's +36.46%. The stock is currently trading at a discount compared to its peers' average historical valuations, and its profits have increased by 45.3% over the past year, resulting in a PEG ratio of 0.4, which suggests it may be undervalued. This combination of factors, including a fair valuation and strong debt servicing ability, supports the stock's recent upward movement despite the challenges it has faced in the short term.