tom werner, the ceo of sunpower. >> you've been a fan of solarcity. >> i love this bid, the rooftop residentialomponent of it. what tom's talking about with china, right now, japan is 80% of their business. and china's the bigger market. what's going on is a very exciting place. and in the short term, the stock's had a great run. but i love the stuff long term. >>> coming up next, google glass in the form of your latest ray-ban aviator. it could be possible thanks to a new partnership. >>> and plus, it's been a rough ride for bitcoin. but mark adreesen says now is the time to double down. we'll hear from the man himself in a few minutes. ok, here's the way the system works. let's say you pay your guy around 2 percent to manage your money. that's not much, you think except it's 2 percent every year. does that make a difference? search "cost of financial advisors" ouch! over time it really adds up. then go to e*trade and find out how much our advice costs. spoiler alert. it's low. really? yes, really. e*trade offers investment advice and guidance from dedicated professional financial consultants.

sandra: it's sun power and joined now by tom werner, the company ceo and president. studio. david mentioned guggenheim etf, up 25% so far this year. you make up one of the top 10 companies in that etf. kudos to you. why all the attention. are you loving solar power again? >> basically fundamentals. economics of solar has gotten so much better. we can compete with conventional electricity there is massive market and massive opportunity and we're positioned really well. sandra: makes you wonder what's new? >> costs have come down and you're competitive with conventional electricity. david: a lot of, a lot of investors even former chairman of sun power, t.j. rodgers, great guy, i love it. vj he was chairman for a while. you were there when he was there, worry about solar's reliance on government subsidies. they think as the subsidies dry up it will be a big hit to companies like yours. again it, may not be a particular problem with you. is it a legitimate concern? >> that is what's new. to the extent there were incentives, which there were, it created a market you could