On Saturday, former Fidelity portfolio manager George Noble posted a sum-of-the-parts, or SOTP, valuation for Tesla on X, which suggested the electric-vehicle maker was worth $80 a share. Tesla rose 3.1% on Monday, closing at $451.67, while the and gained 0.6% and 1.2%, respectively. Coming into Monday trading, Tesla’s stock had declined for seven consecutive trading days.