http://172.19.1.196:8983/solr/secweb/select?q=buy Upgrade OR "buy Upgrade" OR "purchase Enhance" OR "purchase Improve" OR "acquire Enhance" OR "acquire Improve"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&fq=key_sitemap%3Ainvestor&start=0&rows=10
contrast these ongoing ownership activities from investment or trading decisions of whether to buy or sell an investment interest. In circumstances where there is no risk of confusion between these two