S&P Dow Jones indices announces several changes to the S&P 500, S&P 100, S&P MidCap 400, and S&P SmallCap 600 indices effective prior to the open of trading on Monday, March 18, 2024. Here are the details of these changes:

Additions to S&P 500:
1. Super Micro Computer Inc. (SMCI) – Information Technology
2. Deckers Outdoor Corp. (DECK) – Consumer Discretionary 

Deletions from S&P 500:
1. Whirlpool Corp. (WHR) – Consumer Discretionary
2. Zion Bancorporation N.A. (ZION) – Financials

Addition to S&P 100:
1. Intuit Inc. (INTU) – Information Technology

Deletion from S&P 100:
1. Exelon Corp. (EXC) – Utilities

Additions to S&P MidCap 400:
1. Whirlpool Corp. (WHR) – Consumer Discretionary
2. Cytokinetics Inc. (CYTK) – Health Care
3. Applied Industrial Technologies Inc. (AIT) – Industrials
4. Zion Bancorporation N.A. (ZION) – Financials

Deletions from S&P MidCap 400:
1. Super Micro Computer Inc. (SMCI) – Information Technology
2. Deckers Outdoor Corp. (DECK) – Consumer Discretionary
3. Calix Inc. (CALX) – Information Technology
4. Medical Properties Trust Inc. (MPW) – Real Estate

Additions to S&P SmallCap 600:
1. Calix Inc. (CALX) – Information Technology
2. Medical Properties Trust Inc. (MPW) – Real Estate
3. Magnolia Oil & Gas Corp. (MGY) – Energy
4. Air Lease Corp. (AL) – Industrials
5. Box Inc. (BOX) – Information Technology
6. BGC Partners (BGC) – Financials
7. BlackLine Inc. (BL) – Information Technology
8. Arch Resources Inc. (ARCH) – Materials
9. MGE Energy Inc. (MGEE) – Utilities

Deletions from S&P SmallCap 600:
1. Cytokinetics Inc. (CYTK) – Health Care
2. Applied Industrial Technologies Inc. (AIT) – Industrials
3. America’s Car Mart Inc. (CRMT) – Consumer Discretionary
4. TrueBlue Inc. (TBI) – Industrials
5. Forrester Research Inc. (FORR) – Industrials
6. Oil States International Inc. (OIS) – Energy
7. Digital Turbine Inc (APPS) – Information Technology
8. Consensus Cloud Solutions Inc. (CCSI) – Information Technology
9. iRobot Corp. (IRBT) – Consumer Discretionary

In particular, Super Micro Computer and Deckers Outdoor will join the S&P 500 and leave the S&P MidCap 400, replacing Whirlpool and Zion Bancorporation, which will move to the S&P MidCap 400. Intuit will replace Exelon in the S&P 100. Cytokinetics and Applied Industrial Technologies will move from the S&P SmallCap 600 to the S&P MidCap 400, replaced in the S&P SmallCap 600 by Calix and Medical Properties Trust.