what do you like about mastec. >> all usa stock, so not really affected t by dollar that much. it's really a situation where you buy one, get o free. not only is it cheap and well known for the engineering and construction inned pipeline business, and servicing and doing infrastructure for unconventional oil services that's fracking and whatever, but also they're a huge player in thel- rt of 5-g. 5-g is simply faster communications with your cell phone, more data through it, tmore everythingt we use every day when we use cell es ph and communication devices. so they really havoth sides of the equation as far as growth is concerned.ea they both top line and bottom line, and they raise their expectations, and, you know, short of a real economic drawback or recession, i think this stock certainly has room to ow very nicely. >> then there's rio tinto, of course one of the world's biggest mining companies, i gues you're finding value there. they've been underperforming for ar. >> absolutely. certainly for the last five years definitely. people really turned away from everything to d