FLM; and PKB are construction ETF's that are broader in scope that the homebuilder ETF (XHB). SLC is a steel ETF with a focus on the iron miners while JJC is a copper futures ETN. I don't know if the SEC has approved GlobalX's cement ETF yet.
From Carpe Diem:
22, 2012 – "On the heels of consecutive months of strengthening
business conditions, the Architecture Billings Index (ABI) has now
reached positive territory three months in a row (see red line in chart
above). As a leading economic indicator of construction activity, the
ABI reflects the approximate nine to twelve month lag time between
architecture billings and construction spending.
The American Institute
of Architects (AIA) reported the January ABI score was 50.9, following a
mark of 51.0 in December. This score reflects a slight increase in
demand for design services (any score above 50 indicates an increase in
billings). The new projects inquiry index was 61.2, down just a notch
from a reading of 61.5 the previous month (see blue line)."...MORE