Watch out for these penny stocks locked in the upper circuit on February 16 Watch out for these penny stocks locked in the upper circuit on February 16 On February 15, the foreign portfolio investors (FPIs) turned out to be the net buyers of shares worth Rs 432.15 crores. Kaustubh Bhosale / Thursday, February 16, 2023 / Article rating: 3.9 In line with positive developments in other international markets, Indian equities benchmarks opened Thursday's session in the green.