Watch out for these penny stocks locked in the upper circuit on March 23 Watch out for these penny stocks locked in the upper circuit on March 23 The US treasury secretary's announcement that not all banking deposits would be insured contributed to the market's downward trend. Kaustubh Bhosale / Thursday, March 23, 2023 / Article rating: 3.9 On Thursday, Indian stocks experienced a decline, driven by IT stocks, in response to the Federal Reserve's continued efforts to combat inflation, despite signalling a potential pause in interest rate hikes.