The chipmaker's Q2 results show it's still struggling to grow, but ON stock is worth watching because the company is one of the largest producers of silicon carbide power chips, which are increasingly being used in electric vehicles (EV) and chargers.Shares of ON Semiconductor (ON 11.54%), a chipmaker focused on power and sensing technologies for the auto and industrial markets, surged 11.5% on Monday.The catalyst for the gain was the company's release of a better-than-expected second-quarter report. Revenu ...