Tesla stock slides 4% after Musk flags “agonizingly slow” Cybercab, Optimus ramp
New York, January 21, 2026, 09:44 (ET) — Regular session. Tesla (TSLA) shares dropped 4.2% to $419.25 in early Wednesday trading after CEO Elon Musk warned that initial production of the Cybercab robotaxi and Optimus humanoid robot would be “agonizingly slow” before picking up pace. The company, valued around $1.39 trillion, has pinned much of its future on these ambitious…