stocks hit across the board. apple and google down 2%. the problem renewed fears america's economy may be slowing down. top democrats pushing a higher minimum wage. this could increase the federal minimum to $12 by 2020. this would give 38 million americans a raise. many states cities and companies have taken up the issue. raising wages because they frankly want to keep their best talent. tesla says it will cut your electricity bill by 25%. the company unveiled a wall-mounted home battery. the powerwall. it connects to the local power grid and charges overnight. that's when electricity costs less. customers can turn it on during the day to power their homes. it starts at $3,000. utility companies may offer rebates.