SBI Mutual Fund has increased its stake in auto components company Happy Forgings by 3.8%, investing Rs 341 crore through an open market transaction. The fund acquired 35.91 lakh shares at an average price of Rs 950 per share, raising its holding from 1.97% to 5.77%. Meanwhile, Business Excellence Trust III sold 39.10 lakh shares, reducing its stake from 8.3% to 4.1%, for Rs 371 crore at an average price of Rs 950.06 per share. Following these transactions, Happy Forgings’ shares fell 1.32% to close at Rs 1,009.15 on the BSE.