[Top 20 US stock turnover: Tesla's 20,000th 4680 battery is off the line; Microsoft fine-tuned the terms of the agreement to acquire Activision Blizzard] Tesla closed down 0.24%, trading $27.291 billion. The company announced Wednesday that the 20,000th 4,680 battery has rolled off the production line at the Gigafactory in Texas, USA; Microsoft closed 1.23 percent higher on $6.513 billion. Microsoft has reportedly fine-tuned the terms of its agreement to acquire Activision Blizzard in an effort to get permission from the UK.