Key Takeaways As record highs reached by major benchmarks, breadth has weakened. Benchmark records are not confirmed by most markets, sectors and stocks. Thrust signal from 30-day new high indicator would require substantial breadth improvement. While there’s been no shortage of headlines about the latest record highs on the S&P 500 and NASDAQ, the highs have been less significant as a sign of market strength than as an influence on investor sentiment.