Shares of Tesla Inc. TSLA slid 3.2% in midday trading Wednesday, to decisively break below a key Fibonacci retracement level (Fibo). After last Thursday’s post-earnings selloff took the electric vehicle maker’s stock below the 38.2% retracement level, the stock had been testing support at the 50% retracement level ($161.17) of the rally off the Jan. 3 low of $108.10 to the Feb. 14 peak of $214.24. It traded below the 50% Fibo intraday a couple times but closed above that level during the first few tests of support, until it closed at $160.67 on Tuesday. Wednesday’s selloff, after a downgrade at Jefferies, confirms the…







