Bloomberg First Solar Inc. reported its biggest-ever loss after overhauling its manufacturing strategy and firing more than a quarter of its workforce. The bulk of its pain may be in the past. The largest US solar manufacturer posted a fourth-quarter net loss of $719.9 million, largely due to a $729 million restructuring charge, Tempe, Arizona-based First Solar said in …

  Bloomberg Oil fell from the highest price in more than a week amid specul- ation about the effectiveness of OPEC’s supply curbs and forecasts for another expansion in US crude stockpiles. Futures dropped 0.6 percent in London, ending three days of gains. The Organization of Petroleum Exporting Countries is confident members will continue to cut production and reduce global …

  Bloomberg Chesapeake Energy Corp., the No. 2 US natural gas producer, thinks it has a one-word answer to its debt issues: Oil. Chief Executive Officer Doug Lawler is focusing 60 percent of the Oklahoma City-based driller’s 2017 budget on crude oil projects, mostly in South Texas, Oklahoma and Wyoming shale fields. The company plans about 320 new crude wells …