Reported August 16, Chesapeake Energy Set To Join S&P MidCap 400; Effective Date August 21, 2023
Chesapeake Energy Corp. (NASD:CHK) will replace Mercury Systems Inc. (NASD: MRCY) in the S&P MidCap 400, and Mercury Systems will replace Arconic Corp. (NYSE:ARNC) in the S&P SmallCap 600 effective prior to the opening of trading on Monday, August 21. Apollo Global Management Inc. (NYSE:APO) is acquiring Arconic in a deal that is expected to close soon, pending final closing conditions. Mercury Systems is more representative of the small-cap market space.
Following is a summary of the change that will take place prior to the open of trading on the effective date:
|
Effective Date |
Index Name |
Action |
Company Name |
Ticker |
GICS Sector |
|
August 21, 2023 |
S&P MidCap 400 |
Addition |
Chesapeake Energy |
CHK |
Energy |
|
August 21, 2023 |
S&P MidCap 400 |
Deletion |
Mercury Systems |
MRCY |
Industrials |
|
August 21, 2023 |
S&P SmallCap 600 |
Addition |
Mercury Systems |
MRCY |
Industrials |
|
August 21, 2023 |
S&P SmallCap 600 |
Deletion |
Arconic |
ARNC |
Materials |
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