Antero Resources Corp. (NYSE:AR) will replace Alleghany Corp. (NYSE:Y) in the S&P MidCap 400 effective prior to the opening of trading on Thursday, October 20. S&P 500 constituent Berkshire Hathaway Inc. (NYSE:BRK, BRK.B))) is acquiring Alleghany in a deal expected to be completed soon, pending final closing conditions.
Amprius Unveils Industry Leading Ultra-High-Power-High-Energy Lithium-Ion Battery, Advancing Aviation And Electric Vehicle Performance
Next-Generation Cell Redefines Electric Mobility with Unrivaled Power and Energy Efficiency
Amprius Technologies, Inc. ("Amprius" or the "Company") (NYSE:AMPX), a leader in next-generation
