Let's check out the Yahoo Finance charts of the day. General Motors (GM): Shares are up in early trade, at around 10.92%. Softbank's Vision Fund is investing $2.25 billion in General Motors' driverless car unit. GM will also put $1.1 billion into the unit, assuring funding through the planned beginning of commercialization in 2019. Berkshire Hathaway (BRK-B): Shares down slightly here, at around .61%. According to Berkshire's Warren Buffett, Berkshire had discussions with Uber about a possible investment. Ultimately no investment was made. Sears Holdings (SHLD): Shares tumbling down here, at around 11.37%. The retailer is closing 72 Sears and Kmart stores. Sears revealed the closures as it announced revenues dropped more than 30% for the quarter to $2.9 billion. For more on today's big stock movers check out the Final Round, live at 3:55 p.m. ET, right here on Yahoo Finance.