Top Stock Market Losers – July 17, 2025

On a day when broader indices like the Dow Jones, Nasdaq, and S&P 500 rallied to record highs, several key names stood out on the downside. Here’s a breakdown of the worst-performing stocks for the day:


1. Elevance Health, Inc. (ELV)

  • Price: $302.45

  • Change: ~$42.10 (~12.22%)

  • Volume: 7.39M vs avg. 1.78M

  • Market Cap: $68.33B

  • P/E Ratio (TTM): 11.77

  • 52-Week Change: ~31.73%

📌 What Happened?
Elevance Health plunged after reporting weaker-than-expected Q2 earnings, with margins pressured by rising Medicaid and regulatory costs. The stock was further dragged down by a cautious full-year outlook and analyst downgrades.


2. Sonic Automotive, Inc. (SAH)

  • Price: $76.30

  • Change: ~$8.87 (~10.41%)

  • Volume: 510.9K vs avg. 201.9K

  • Market Cap: $2.59B

  • P/E Ratio: 10.87

  • 52-Week Change: +46.42%

📌 What Happened?
SAH’s drop came after the company issued disappointing guidance for the remainder of 2025, citing softening demand in high-end vehicle sales and margin compression due to inventory imbalances.


3. Oscar Health, Inc. (OSCR)

  • Price: $13.87

  • Change: ~$1.48 (~9.64%)

  • Volume: 48.15M vs avg. 17.98M

  • Market Cap: $3.53B

  • P/E Ratio: 34.67

  • 52-Week Change: +2.61%

📌 What Happened?
Oscar Health declined sharply on concerns about rising healthcare costs and analyst commentary suggesting slowing growth in policyholder enrollment. Heavy volume indicated institutional selling.


4. Group 1 Automotive, Inc. (GPI)

  • Price: $406.10

  • Change: ~$38.42 (~8.64%)

  • Volume: 405.1K vs avg. 156.8K

  • Market Cap: $5.25B

  • P/E Ratio: 11.40

  • 52-Week Change: +43.30%

📌 What Happened?
Despite a strong YTD performance, GPI fell due to sector-wide weakness in auto retail, triggered by price discounting and tightening credit conditions that are impacting new vehicle demand.

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