@article{principalcomponentanalysisandhidden,
  title = {Principal Component Analysis and Hidden Markov Model for Forecasting Stock Returns},
  author = {Eugene W. Park},
  year = {2023},
  eprint = {2307.00459},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2307.00459v1},
}