Watch out for these penny stocks locked in the upper circuit on July 19 Watch out for these penny stocks locked in the upper circuit on July 19 As global markets declined on Tuesday, Sensex and Nifty 50 opened with a gap-down. Kaustubh Bhosale / Tuesday, July 19, 2022 / Article rating: 3.8 For domestic indications, investors awaited more corporate profits from Indian corporations.