Broadcom is a pick-and-shovel way to invest in AI.Nvidia's volatility continues to have rippling effects throughout the technology sector and the broader market. In August, Nvidia stock was as low as $90.69 a share and as high as $131.26 a share -- representing a sizable range for such a short period of time.Nvidia reported earnings on Aug. 28, delivering parabolic growth and higher-than-expected guidance. And yet, the stock sold off. Nvidia stands out as a solid buy in the chip space for investors that can ...