The EV party may still be raging on Wall Street, but JPMorgan just showed up to shut it down.In a bold call that's sure to spark debate, JPMorgan analyst Ryan Brinkman just named both Tesla Inc TSLA and Rivian Automotive Inc RIVN as top short ideas for the second half of 2025.His rationale? Sky-high valuations, shrinking subsidies, and a growing disconnect between expectations and reality.Tesla's Valuation Is In OverdriveLet's start with Tesla — the undisputed king of electric dreams. Trading at 142x forwar ...