on Valuation: JPMorgan 2018-03-26 18:40:56.459 GMT By Janet Freund (Bloomberg) — Ferroglobe raised to overweight from neutral by JPMorgan analyst Michael Gambardella who cites stock's CONFIDENTIAL - PURSUANT TO FED. R. CRIM. P. 6(e) DB-SDNY-0089112 CONFIDENTIAL SONY GM_00235298 EFTA01387059