The Morningstar UK Large-Mid Cap Index rose 3.99% in the second quarter amid a rally in the technology sector. The large-mid index tracks the performance of the top 90% of the UK investable universe by market cap, and each quarter we screen from among the stocks in this index to find the best- and worst-performing companies. Data in this article is sourced from Morningstar Direct.
The Best-Performing Stocks of Q2 2026
The Worst-Performing Stocks of Q2 2026
Metrics for the Best-Performing Stocks
Intertek Group ITRK
- Sector: Industrials
- Industry: Specialty Business Services
- Economic Moat: Wide
Intertek Group climbed 62.31% in the second quarter, leaving shares up 26.45% for the past year. Intertek Group has a Morningstar Rating of 3 stars, with its stock trading near the £57.50 fair value estimate.
easyJet EZJ
- Sector: Industrials
- Industry: Airlines
- Economic Moat: None
easyJet soared 60.88% in the second quarter, leaving the stock up 7.84% for the past year. The company’s stock has a Morningstar Rating of 3 stars and trades near the fair value estimate of £5.74.
Softcat SCT
- Sector: Technology
- Industry: Electronics & Computer Distribution
- Economic Moat: Not Rated
Softcat surged 51.85% in the second quarter, leaving the stock up 10.09% for the past year. The company’s stock has a quantitative Morningstar Rating of 3 stars.
Computacenter CCC
- Sector: Technology
- Industry: Information Technology Services
- Economic Moat: Not Rated
Computacenter climbed 44.58% in the second quarter, leaving shares up 81.75% for the past year. Computacenter has a quantitative Morningstar Rating of 2 stars.
DCC DCC
- Sector: Energy
- Industry: Oil & Gas Refining & Marketing
- Economic Moat: Not Rated
DCC surged 38.02% in the second quarter, leaving the stock up 37.22% for the past year. The company’s stock has a quantitative Morningstar Rating of 3 stars.
Metrics for the Worst-Performing Stocks
BP BP.
- Sector: Energy
- Industry: Oil & Gas Integrated
- Economic Moat: None
BP slid 22.08% in the second quarter, while shares were still up 34.63% for the past year. Shares were 23.35% below their last high on March 31, 2026. The company’s stock has a Morningstar Rating of 3 stars, trading at a 12% discount to its fair value estimate of £5.30.
Mondi MNDI
- Sector: Basic Materials
- Industry: Paper & Paper Products
- Economic Moat: Not Rated
Mondi tumbled 18.90% in the second quarter, leaving shares down 41.09% for the past year. Stocks in the company were 45.29% below the last high on July 3, 2025. Mondi has a quantitative Morningstar Rating of 3 stars.
Centrica CNA
- Sector: Utilities
- Industry: Utilities - Independent Power Producers
- Economic Moat: None
Centrica dropped 18.22% in the second quarter, however, shares were still up 8.76% for the past year. Shares were 22.45% lower than their last high on April 7, 2026. The company’s stock has a Morningstar Rating of 4 stars and trades at a 22% discount to the fair value estimate of £2.20.
Babcock International Group BAB
- Sector: Industrials
- Industry: Engineering & Construction
- Economic Moat: Not Rated
Babcock International Group tumbled 17.81% in the second quarter, leaving shares down 16.53% for the past year. Stocks in the company were 37.67% below the last high on Jan. 14, 2026. Babcock International Group has a quantitative Morningstar Rating of 3 stars.
Shell SHEL
- Sector: Energy
- Industry: Oil & Gas Integrated
- Economic Moat: None
Shell dropped 17.40% in the second quarter, however, shares were still up 19.29% for the past year. Shares were 21.96% lower than their last high on June 4, 2026. The company’s stock has a Morningstar Rating of 4 stars and trades at an 18% discount to the fair value estimate of £35.80.
Companies that are not formally covered by a Morningstar analyst are statistically matched to analyst-rated companies, allowing our models to calculate a quantitative star rating.

