For the week, the worst sectors according to Portfolio Grader are the Metals and Mining, Energy Services, Communications Equipment, Semiconductor, and Service sectors.
Metals and Mining is lagging this week with 88% of its stocks (77 out of 88) rated a “sell.” HudBay Minerals (NYSE:HBM), Thompson Creek Metals (NYSE:TC), and Century Aluminum (NASDAQ:CENX) are dragging down the sector overall, each earning a low grade of F. Over the last 12 months, Thompson Creek Metals is the worst performer in this sector, with a 60.2% decline. This is worse than the S&P 500’s 23.8% increase for the same period.
The Energy Services sector is dragging, with 67% of its stocks (33 out of 49) rated a “sell.” Among Energy Services stocks, Tetra Technologies (NYSE:TTI), Key Energy Services (NYSE:KEG), and Weatherford International (NYSE:WFT) are lingering near the bottom with grades of F. Key Energy Services is the worst stock in its sector, with the company’s share price falling 32.3% in the last 12 months. This is worse than the S&P 500’s 23.8% increase for the same period.
With 60% of its stocks (21 out of 35) rated “sell,” the Communications Equipment sector is struggling this week. Out of the Communications Equipment stocks, Nokia (NYSE:NOK), Acme Packet (NASDAQ:APKT), and Alcatel-Lucent (NYSE:ALU) are near the bottom with F’s. Overall, Alcatel-Lucent is the poorest performer in this sector. Its share price has dropped 62.4% in the last 12 months.
The Semiconductor sector is trailing behind others this week, with 59% of its stocks (47 out of 80) rated a “sell.” With an overall grade of F, Advanced Micro Devices (NYSE:AMD), RF Micro Devices (NASDAQ:RFMD), and Cypress Semiconductor (NASDAQ:CY) are weighing down the sector. Advanced Micro Devices is performing worst overall in the sector, with a 46.8% decline over the last 12 months.
The Service sector looks weak, with 57% of its stocks (12 out of 21) rated a “sell.” DeVry (NYSE:DV), ITT Educational Services (NYSE:ESI), and New Oriental Education & Technology Group (NYSE:EDU) are pushing the sector down with F grades. The worst performer in this sector is New Oriental Education & Technology Group, which saw its price sink 54.5% in the last 12 months.
Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.