Insight Guru says health care dominates mid-cap 52-week highs list, with 9 of 15 names at peaks

Insight Guru flagged 15 mid-cap US or Canada-listed stocks above USD 10 billion hitting 52-week highs on Thursday.

• Health care dominated the list with 9 of 15 names, pointing to concentrated sector momentum.
• Tenet Healthcare rose 39.5% in the past month; revenue grew 9.4% over 12 months; operating margin 19.5%; P/E 10.2.
• Illumina traded at 39 P/E; revenue rose 4.9% over 12 months, highlighting divergent valuation profiles among new highs.
• The report cautioned that 52-week highs signal price strength, not business quality, and urged fundamental checks; the S&P 500 gained 2% over the last month.