For the week, the worst sectors according to Portfolio Grader are the Metals and Mining, Communications Equipment, Marine, Semiconductor, and Energy Services sectors.
With 78% of its stocks (69 out of 89) rated “sell,” the Metals and Mining sector is struggling this week. Among Metals and Mining stocks, ArcelorMittal SA (NY Reg Sh) (NYSE:MT), Thompson Creek Metals (NYSE:TC), and Walter Energy Inc. (NYSE:WLT) are lingering near the bottom with grades of F. Walter Energy Inc. is the worst stock in its sector, with the company’s share price falling 34.4% in the last 12 months. This is worse than the S&P 500, which has seen a 14.3% increase over the same period.
The Communications Equipment sector is dragging, with 63% of its stocks (22 out of 35) rated a “sell”. Adtran (NASDAQ:ADTN), Polycom Inc. (NASDAQ:PLCM), and Acme Packet (NASDAQ:APKT) are all currently earning F’s.
The Marine sector is trailing behind others this week, with 63% of its stocks (5 out of 8) rated a “sell”. DryShips (NASDAQ:DRYS), Kirby Corp. (NYSE:KEX), and Navios Maritime Partners (NYSE:NMM) are dragging down the sector overall, each earning a low grade of D.
The Semiconductor sector looks weak, with 59% of its stocks (48 out of 81) rated a “sell”. International Rectifier (NYSE:IRF), Cypress Semiconductor (NASDAQ:CY), and PMC-Sierra (NASDAQ:PMCS) are pushing the sector down with F grades.
The Energy Services sector is lagging this week with 57% of its stocks (31 out of 54) rated a “sell”. With an overall grade of F, Weatherford International (NYSE:WFT), Gulfmark Offshore (NYSE:GLF), and Parker Drilling (NYSE:PKD) are weighing down the sector. The worst performer in this sector is Parker Drilling, which saw its price sink 18.3% 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.