S&P 500 continued to recover during Q2 from its slump in Q1. The largest sectors that struggled against the recession and were not on the index were: health care, communication services, information technology and consumer discretionary.
Top 5 companies are in the S&P 500 and represent most of the recent strength, within three sectors of four mentioned, and economists Skeptical of good performance will fade soon. Those companies were the least sluggish due to the strong performance that has allowed them so far to bear the consequences of Covid-19