Palantir Technologies, Dell Technologies, and Erie Indemnity will be added to the S&P 500 index. Other companies will be added to the S&P MidCap 400 and S&P SmallCap 600 indexes.
Palantir Technologies, Dell Technologies, and Erie Indemnity are expected to become part of the S&P 500 index, while other companies will be added to the S&P MidCap 400 and S&P SmallCap 600 indices.