Watch out for these penny stocks locked in the upper circuit on February 17 Watch out for these penny stocks locked in the upper circuit on February 17 The US inflation figures raised concerns about a longer period of interest rate hikes. Kaustubh Bhosale / Friday, February 17, 2023 0 2467 Article rating: 3.7 Meanwhile, more pessimistic remarks from the Federal Reserve led to a fall in all international markets. Read more