A:AnswerThe included usb-c cable should enable you to output video signal from your laptop as well as charge your laptop. The stand is quite heavy, I’m not sure if it is 100 percent metal or a mix of metal and plastic though.
A:AnswerI don't believe so. You need a Display port 1.2, 1.3 or 1.4 with MST to daisy chain. I don't see this on these monitors.
Keep in mind there are limits to the number of monitors, resolutions and refresh rates with each Display port spec.