Northwest Pipe (NASDAQ:NWPX – Get Free Report) was upgraded by analysts at StockNews.com from a “hold” rating to a “buy” rating in a report issued on Friday. Separately, Northland Securities ...
Northwest Pipe (NASDAQ:NWPX – Get Free Report) was downgraded by analysts at Northland Capmk from a “strong-buy” rating to a “hold” rating in a research note issued on Friday, Zacks.com reports.
Here, D is the inner diameter of the pipe, which is the area the fluid flows through. The outer diameter of the pipe is also important, but it doesn’t figure into the calculation of the ...