Nvidia-related news had Fabrinet investors feeling more bearish today.Fabrinet (FN -9.02%) stock saw big sell-offs in Wednesday's trading. The engineering and manufacturing specialist's share price closed out the daily session down 9% and had been down as much as 13.6% earlier in the day's trading.Fabrinet stock lost ground today after B. Riley downgraded its rating on the stock from neutral to sell. The firm also lowered its one-year price target on the stock to $178 per share, down from its previous targe ...