<A HREF="http://news.zdnet.com/2100-3513_22-5757348.html?tag=zdnn.alert">SAP has agreed to buy Lighthammer Software Development,</A> a maker of business tools for the manufacturing industry, the German software giant said Wednesday. SAP said that the Lighthammer buyout will further strengthen its position in the market for so-called manufacturing intelligence tools, or analytics software, as well as tools for worker collaboration in the industry.