A Tesla Model 3 is displayed in China. Tang Ke/Costfoto/Barcroft Media via Getty Images Tesla stock is headed for a 28% rise in 2022 as China remains a growth "linchpin," Wedbush says. Another catalyst for the stock surge is the opening of new Gigafactories in Texas and Germany. Tesla, which hit a market capitalization of $1 trillion this year, has risen 50% in 2021. Tesla stock is poised for another big gain in 2022 as China remains a growth "linchpin" and production capacity doubles on the opening of new Gigafactories, according to a Wedbush. Shares of the electric-vehicle maker, rated…