Watch out for these penny stocks locked in the upper circuit on December 12 Watch out for these penny stocks locked in the upper circuit on December 12 PSU banks, media and oil & gas shares showed purchasing demand. Kaustubh Bhosale / Monday, December 12, 2022 0 1594 Article rating: 4.4 The major equity indexes experienced slight losses in morning trading. Negative global cues lowered investor confidence. Read more