Is Nuburu, Inc overvalued or undervalued?

As of 14 August 2024, Nuburu, Inc. has moved from a grade of risky to does not qualify, indicating a significant deterioration in its valuation outlook. The company is currently overvalued, as evidenced by its negative P/E ratio of -1.17 and a price-to-book value of -0.52. Additionally, the EV to EBITDA ratio stands at -3.90, further highlighting the company's financial struggles.
In comparison to its peers, Nuburu, Inc. shows stark contrasts; for instance, Bel Fuse, Inc. has a P/E ratio of 27.60 and an EV to EBITDA of 18.36, while Vishay Precision Group, Inc. boasts an impressive P/E of 98.13 and an EV to EBITDA of 11.65. The returns for Nuburu have been dismal, with a year-to-date decline of 48.51%, contrasting sharply with the S&P 500's modest gain of 2.44% in the same period.