Tesla has begun full scale construction of a large solar panel manufacturing facility in Brookshire, Texas. The plant is being built alongside its Megapack Megafactory and is targeting 100 GW in annual solar capacity. This marks Tesla's largest push so far into vertically integrated solar and a material expansion of its energy business. Tesla, listed as NasdaqGS:TSLA, is pushing further into the energy segment at a time when the stock has seen mixed recent performance. Shares last closed at...