1-The company is still cash flow negative and mainly survives on government subsidies. 2-GM Just introduced its 200 miles+ electric car that sells for 30K vs 110K for Model S. 3-All car manufacturers have moved in to produce electric and self driving cars. 4-There are IT experts in Silicon valley that teach "Self Driving" tech to engineers in a month. There seems to be no technological barriers to entry here. 5-With mass production, TSLA quality has suffered setbacks. Consumer Report does not recommend Model S anymore.
Technicals are ugly:
1-Triple top 2-5 waves down from the third top, implying another leg down 3-The rejection of the move from 140, the third top implies need for more basing around 140 at the least.