Why is Delta Manufact. falling/rising?

As of 16-Sep, Delta Manufacturing Ltd's stock price is currently at Rs 88.75, reflecting an increase of Rs 2.37 or 2.74%. The stock opened with a gain of 3.9% today and reached an intraday high of Rs 90.4, outperforming its sector by 1.77%. Despite this positive movement, the stock has shown a mixed performance over different periods, with a 1-month return of +9.30% but a year-to-date decline of -18.47%. The company is facing significant challenges, including operating losses and a poor long-term growth outlook, as evidenced by a -7.34% annual decline in net sales over the past five years and a high debt-to-EBITDA ratio of -1.00 times.
In the broader market context, Delta Manufacturing's recent performance contrasts with the Sensex, which has gained +1.58% over the past week. While the stock has seen a short-term uptick, its long-term performance remains concerning, with a -11.24% return over the last year and underperformance compared to the BSE500 index in multiple time frames. The stock's liquidity appears adequate, with a significant increase in delivery volume, but the overall financial health of the company raises red flags for investors, indicating that the recent price rise may not be sustainable in light of its underlying weaknesses.